77472488532 has 12 divisors (see below), whose sum is σ = 180769139936. Its totient is φ = 25824162840.

The previous prime is 77472488521. The next prime is 77472488557. The reversal of 77472488532 is 23588427477.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3228020344 + ... + 3228020367.

Almost surely, 2^77472488532 is an apocalyptic number.

It is an amenable number.

77472488532 is an abundant number, since it is smaller than the sum of its proper divisors (103296651404).

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

77472488532 is a wasteful number, since it uses less digits than its factorization.

77472488532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6456040718 (or 6456040716 counting only the distinct ones).

The product of its digits is 21073920, while the sum is 57.

The spelling of 77472488532 in words is "seventy-seven billion, four hundred seventy-two million, four hundred eighty-eight thousand, five hundred thirty-two".