77973496 has 16 divisors (see below), whose sum is σ = 152557200. Its totient is φ = 37291584.

The previous prime is 77973487. The next prime is 77973529. The reversal of 77973496 is 69437977.

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, 211701 + ... + 212068.

It is an arithmetic number, because the mean of its divisors is an integer number (9534825).

Almost surely, 2^77973496 is an apocalyptic number.

It is an amenable number.

77973496 is a deficient number, since it is larger than the sum of its proper divisors (74583704).

77973496 is a wasteful number, since it uses less digits than its factorization.

77973496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423798 (or 423794 counting only the distinct ones).

The product of its digits is 2000376, while the sum is 52.

The square root of 77973496 is about 8830.2602453155. The cubic root of 77973496 is about 427.2174684371.

The spelling of 77973496 in words is "seventy-seven million, nine hundred seventy-three thousand, four hundred ninety-six".