77311593904 has 40 divisors (see below), whose sum is σ = 161345958912. Its totient is φ = 35782359360.

The previous prime is 77311593857. The next prime is 77311593949. The reversal of 77311593904 is 40939511377.

It is a super-3 number, since 3×77311593904³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 3377074 + ... + 3399889.

Almost surely, 2^77311593904 is an apocalyptic number.

It is an amenable number.

77311593904 is an abundant number, since it is smaller than the sum of its proper divisors (84034365008).

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

77311593904 is a wasteful number, since it uses less digits than its factorization.

77311593904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6777025 (or 6777019 counting only the distinct ones).

The product of its (nonzero) digits is 714420, while the sum is 49.

The spelling of 77311593904 in words is "seventy-seven billion, three hundred eleven million, five hundred ninety-three thousand, nine hundred four".