7657613064 has 48 divisors (see below), whose sum is σ = 20754180720. Its totient is φ = 2550714720.

The previous prime is 7657613017. The next prime is 7657613071. The reversal of 7657613064 is 4603167567.

7657613064 is a `hidden beast` number, since 7 + 6 + 576 + 13 + 0 + 64 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65479 + ... + 140009.

It is an arithmetic number, because the mean of its divisors is an integer number (432378765).

Almost surely, 2^7657613064 is an apocalyptic number.

It is an amenable number.

7657613064 is an abundant number, since it is smaller than the sum of its proper divisors (13096567656).

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

7657613064 is a wasteful number, since it uses less digits than its factorization.

7657613064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75970 (or 75963 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The square root of 7657613064 is about 87507.7885905020. The cubic root of 7657613064 is about 1971.0507474885.

The spelling of 7657613064 in words is "seven billion, six hundred fifty-seven million, six hundred thirteen thousand, sixty-four".