77700235232 has 24 divisors (see below), whose sum is σ = 155067854256. Its totient is φ = 38317923072.

The previous prime is 77700235211. The next prime is 77700235243. The reversal of 77700235232 is 23253200777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16628708 + ... + 16633379.

It is an arithmetic number, because the mean of its divisors is an integer number (6461160594).

Almost surely, 2^77700235232 is an apocalyptic number.

It is an amenable number.

77700235232 is a deficient number, since it is larger than the sum of its proper divisors (77367619024).

77700235232 is a wasteful number, since it uses less digits than its factorization.

77700235232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33262170 (or 33262162 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 38.

The spelling of 77700235232 in words is "seventy-seven billion, seven hundred million, two hundred thirty-five thousand, two hundred thirty-two".