77523670608 has 40 divisors (see below), whose sum is σ = 206729792256. Its totient is φ = 25007635200.

The previous prime is 77523670597. The next prime is 77523670613. The reversal of 77523670608 is 80607632577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26048133 + ... + 26051108.

Almost surely, 2^77523670608 is an apocalyptic number.

It is an amenable number.

77523670608 is an abundant number, since it is smaller than the sum of its proper divisors (129206121648).

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

77523670608 is a wasteful number, since it uses less digits than its factorization.

77523670608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52099283 (or 52099277 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 77523670608 in words is "seventy-seven billion, five hundred twenty-three million, six hundred seventy thousand, six hundred eight".