77942264 has 16 divisors (see below), whose sum is σ = 146468400. Its totient is φ = 38884032.

The previous prime is 77942257. The next prime is 77942281. The reversal of 77942264 is 46224977.

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, 7004 + ... + 14315.

It is an arithmetic number, because the mean of its divisors is an integer number (9154275).

Almost surely, 2^77942264 is an apocalyptic number.

It is an amenable number.

77942264 is a deficient number, since it is larger than the sum of its proper divisors (68526136).

77942264 is a wasteful number, since it uses less digits than its factorization.

77942264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21782 (or 21778 counting only the distinct ones).

The product of its digits is 169344, while the sum is 41.

The square root of 77942264 is about 8828.4916038925. The cubic root of 77942264 is about 427.1604206857.

The spelling of 77942264 in words is "seventy-seven million, nine hundred forty-two thousand, two hundred sixty-four".