76585147956 has 18 divisors (see below), whose sum is σ = 193590235202. Its totient is φ = 25528382640.

The previous prime is 76585147949. The next prime is 76585147957. The reversal of 76585147956 is 65974158567.

76585147956 is a `hidden beast` number, since 7 + 6 + 585 + 1 + 47 + 9 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 57920123556 + 18665024400 = 240666^2 + 136620^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 76585147893 and 76585147902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76585147957) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1063682575 + ... + 1063682646.

Almost surely, 2^76585147956 is an apocalyptic number.

It is an amenable number.

76585147956 is an abundant number, since it is smaller than the sum of its proper divisors (117005087246).

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

76585147956 is a wasteful number, since it uses less digits than its factorization.

76585147956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127365231 (or 2127365226 counting only the distinct ones).

The product of its digits is 63504000, while the sum is 63.

The spelling of 76585147956 in words is "seventy-six billion, five hundred eighty-five million, one hundred forty-seven thousand, nine hundred fifty-six".