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999999000077 = 711109421283009
BaseRepresentation
bin11101000110101001001…
…01011100111000001101
310112121011122112121211212
432203110211130320031
5112340444221000302
62043220533024205
7132150623152550
oct16432445347015
93477148477755
10999999000077
11356108402710
12141981785065
13733b800867c
1436586266697
151b02b61a052
hexe8d495ce0d

999999000077 has 32 divisors (see below), whose sum is σ = 1261183123200. Its totient is φ = 770234572800.

The previous prime is 999999000067. The next prime is 999999000083. The reversal of 999999000077 is 770000999999.

999999000077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 999999000077 - 232 = 995704032781 is a prime.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 999998999980 and 999999000016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (999999000067) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3391949 + ... + 3674957.

It is an arithmetic number, because the mean of its divisors is an integer number (39411972600).

Almost surely, 2999999000077 is an apocalyptic number.

It is an amenable number.

999999000077 is a deficient number, since it is larger than the sum of its proper divisors (261184123123).

999999000077 is a wasteful number, since it uses less digits than its factorization.

999999000077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283557.

The product of its (nonzero) digits is 26040609, while the sum is 68.

The spelling of 999999000077 in words is "nine hundred ninety-nine billion, nine hundred ninety-nine million, seventy-seven", and thus it is an aban number.

Divisors: 1 7 11 77 109 421 763 1199 2947 4631 8393 32417 45889 283009 321223 504779 1981063 3113099 3533453 21791693 30847981 119146789 215935867 339327791 834027523 1310614679 2375294537 9174302753 12987000001 90909000007 142857000011 999999000077