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86816414664 = 23327443388837
BaseRepresentation
bin101000011011010101…
…0010101101111001000
322022002101101211001100
41100312222111233020
52410300000232124
6103514413021400
76162251230440
oct1206652255710
9268071354040
1086816414664
113390066a331
12149aa784860
1382573acc85
1442b8187120
1523d1b221c9
hex1436a95bc8

86816414664 has 96 divisors (see below), whose sum is σ = 269324752320. Its totient is φ = 24748633728.

The previous prime is 86816414653. The next prime is 86816414723. The reversal of 86816414664 is 46641461868.

It is a super-2 number, since 2×868164146642 (a number of 23 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 86816414664.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28854 + ... + 417690.

It is an arithmetic number, because the mean of its divisors is an integer number (2805466170).

Almost surely, 286816414664 is an apocalyptic number.

86816414664 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86816414664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134662376160).

86816414664 is an abundant number, since it is smaller than the sum of its proper divisors (182508337656).

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

86816414664 is a wasteful number, since it uses less digits than its factorization.

86816414664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389299 (or 389292 counting only the distinct ones).

The product of its digits is 5308416, while the sum is 54.

The spelling of 86816414664 in words is "eighty-six billion, eight hundred sixteen million, four hundred fourteen thousand, six hundred sixty-four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 443 504 886 1329 1772 2658 3101 3544 3987 5316 6202 7974 9303 10632 12404 15948 18606 24808 27909 31896 37212 55818 74424 111636 223272 388837 777674 1166511 1555348 2333022 2721859 3110696 3499533 4666044 5443718 6999066 8165577 9332088 10887436 13998132 16331154 21774872 24496731 27996264 32662308 48993462 65324616 97986924 172254791 195973848 344509582 516764373 689019164 1033528746 1205783537 1378038328 1550293119 2067057492 2411567074 3100586238 3617350611 4134114984 4823134148 6201172476 7234701222 9646268296 10852051833 12402344952 14469402444 21704103666 28938804888 43408207332 86816414664