77913544982 has 128 divisors (see below), whose sum is σ = 154596169728. Its totient is φ = 28603238400.

The previous prime is 77913544963. The next prime is 77913545029. The reversal of 77913544982 is 28944531977.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 88437182 + ... + 88438062.

It is an arithmetic number, because the mean of its divisors is an integer number (1207782576).

Almost surely, 2^77913544982 is an apocalyptic number.

77913544982 is a deficient number, since it is larger than the sum of its proper divisors (76682624746).

77913544982 is a wasteful number, since it uses less digits than its factorization.

77913544982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534.

The product of its digits is 15240960, while the sum is 59.

The spelling of 77913544982 in words is "seventy-seven billion, nine hundred thirteen million, five hundred forty-four thousand, nine hundred eighty-two".