77431614675 has 24 divisors (see below), whose sum is σ = 130997490624. Its totient is φ = 40336467360.

The previous prime is 77431614649. The next prime is 77431614697. The reversal of 77431614675 is 57641613477.

It is not a de Polignac number, because 77431614675 - 2²⁴ = 77414837459 is a prime.

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, 12001677 + ... + 12008126.

It is an arithmetic number, because the mean of its divisors is an integer number (5458228776).

Almost surely, 2^77431614675 is an apocalyptic number.

77431614675 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

77431614675 is a deficient number, since it is larger than the sum of its proper divisors (53565875949).

77431614675 is a wasteful number, since it uses less digits than its factorization.

77431614675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24009859 (or 24009854 counting only the distinct ones).

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

The spelling of 77431614675 in words is "seventy-seven billion, four hundred thirty-one million, six hundred fourteen thousand, six hundred seventy-five".