77993578592 has 12 divisors (see below), whose sum is σ = 153549857916. Its totient is φ = 38996789280.

The previous prime is 77993578589. The next prime is 77993578601. The reversal of 77993578592 is 29587539977.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1218649634 + ... + 1218649697.

It is an arithmetic number, because the mean of its divisors is an integer number (12795821493).

Almost surely, 2^77993578592 is an apocalyptic number.

It is an amenable number.

77993578592 is a deficient number, since it is larger than the sum of its proper divisors (75556279324).

77993578592 is a wasteful number, since it uses less digits than its factorization.

77993578592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2437299341 (or 2437299333 counting only the distinct ones).

The product of its digits is 300056400, while the sum is 71.

The spelling of 77993578592 in words is "seventy-seven billion, nine hundred ninety-three million, five hundred seventy-eight thousand, five hundred ninety-two".