79257916 has 12 divisors (see below), whose sum is σ = 138791632. Its totient is φ = 39603168.

The previous prime is 79257889. The next prime is 79257947. The reversal of 79257916 is 61975297.

It is a happy number.

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 in 3 ways as a sum of consecutive naturals, for example, 1576 + ... + 12688.

Almost surely, 2^79257916 is an apocalyptic number.

It is an amenable number.

79257916 is a deficient number, since it is larger than the sum of its proper divisors (59533716).

79257916 is a wasteful number, since it uses less digits than its factorization.

79257916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12900 (or 12898 counting only the distinct ones).

The product of its digits is 238140, while the sum is 46.

The square root of 79257916 is about 8902.6915031354. The cubic root of 79257916 is about 429.5504875276.

The spelling of 79257916 in words is "seventy-nine million, two hundred fifty-seven thousand, nine hundred sixteen".