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87877859364 = 22344323832
BaseRepresentation
bin101000111010111101…
…1011011100000100100
322101211100200210110000
41101311323123200210
52414433212444424
6104212011301300
76230460323421
oct1216573334044
9271740623400
1087877859364
11342a5840459
121504614a830
138396281869
14437912ad48
152444dde3c9
hex1475edb824

87877859364 has 135 divisors (see below), whose sum is σ = 235812583083. Its totient is φ = 28536692688.

The previous prime is 87877859353. The next prime is 87877859371. The reversal of 87877859364 is 46395877878.

The square root of 87877859364 is 296442.

It is a perfect power (a square), and thus also a powerful number.

It is a junction number, because it is equal to n+sod(n) for n = 87877859292 and 87877859301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 229445917 + ... + 229446299.

Almost surely, 287877859364 is an apocalyptic number.

87877859364 is the 296442-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87877859364

87877859364 is an abundant number, since it is smaller than the sum of its proper divisors (147934723719).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87877859364 is an equidigital number, since it uses as much as digits as its factorization.

87877859364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868 (or 431 counting only the distinct ones).

The product of its digits is 568995840, while the sum is 72.

The spelling of 87877859364 in words is "eighty-seven billion, eight hundred seventy-seven million, eight hundred fifty-nine thousand, three hundred sixty-four".

Divisors: 1 2 3 4 6 9 12 18 27 36 43 54 81 86 108 129 162 172 258 324 383 387 516 766 774 1149 1161 1532 1548 1849 2298 2322 3447 3483 3698 4596 4644 5547 6894 6966 7396 10341 11094 13788 13932 16469 16641 20682 22188 31023 32938 33282 41364 49407 49923 62046 65876 66564 98814 99846 124092 146689 148221 149769 197628 199692 293378 296442 299538 440067 444663 586756 592884 599076 708167 880134 889326 1320201 1333989 1416334 1760268 1778652 2124501 2640402 2667978 2832668 3960603 4249002 5280804 5335956 6307627 6373503 7921206 8498004 11881809 12615254 12747006 15842412 18922881 19120509 23763618 25230508 25494012 37845762 38241018 47527236 56768643 57361527 75691524 76482036 113537286 114723054 170305929 227074572 229446108 271227961 340611858 510917787 542455922 681223716 813683883 1021835574 1084911844 1627367766 2043671148 2441051649 3254735532 4882103298 7323154947 9764206596 14646309894 21969464841 29292619788 43938929682 87877859364