77039696 has 20 divisors (see below), whose sum is σ = 155754912. Its totient is φ = 36844896.

The previous prime is 77039657. The next prime is 77039701. The reversal of 77039696 is 69693077.

It is a super-2 number, since 2×77039696² = 11870229519544832, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77039696.

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, 104306 + ... + 105041.

Almost surely, 2^77039696 is an apocalyptic number.

It is an amenable number.

77039696 is an abundant number, since it is smaller than the sum of its proper divisors (78715216).

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

77039696 is a wasteful number, since it uses less digits than its factorization.

77039696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209378 (or 209372 counting only the distinct ones).

The product of its (nonzero) digits is 428652, while the sum is 47.

The square root of 77039696 is about 8777.2259854694. The cubic root of 77039696 is about 425.5051819697.

The spelling of 77039696 in words is "seventy-seven million, thirty-nine thousand, six hundred ninety-six".