77587038628 has 24 divisors (see below), whose sum is σ = 149287025664. Its totient is φ = 34989141600.

The previous prime is 77587038619. The next prime is 77587038647. The reversal of 77587038628 is 82683078577.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6936703 + ... + 6947878.

It is an arithmetic number, because the mean of its divisors is an integer number (6220292736).

Almost surely, 2^77587038628 is an apocalyptic number.

It is an amenable number.

77587038628 is a deficient number, since it is larger than the sum of its proper divisors (71699987036).

77587038628 is a wasteful number, since it uses less digits than its factorization.

77587038628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13884723 (or 13884721 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 61.

The spelling of 77587038628 in words is "seventy-seven billion, five hundred eighty-seven million, thirty-eight thousand, six hundred twenty-eight".