77432014860 has 24 divisors (see below), whose sum is σ = 216809641776. Its totient is φ = 20648537280.

The previous prime is 77432014859. The next prime is 77432014903. The reversal of 77432014860 is 6841023477.

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, 645266731 + ... + 645266850.

It is an arithmetic number, because the mean of its divisors is an integer number (9033735074).

Almost surely, 2^77432014860 is an apocalyptic number.

It is an amenable number.

77432014860 is an abundant number, since it is smaller than the sum of its proper divisors (139377626916).

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

77432014860 is a wasteful number, since it uses less digits than its factorization.

77432014860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1290533593 (or 1290533591 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 42.

The spelling of 77432014860 in words is "seventy-seven billion, four hundred thirty-two million, fourteen thousand, eight hundred sixty".