79657516 has 12 divisors (see below), whose sum is σ = 142031232. Its totient is φ = 39077168.

The previous prime is 79657499. The next prime is 79657553. The reversal of 79657516 is 61575697.

It is a happy 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, 187660 + ... + 188083.

It is an arithmetic number, because the mean of its divisors is an integer number (11835936).

Almost surely, 2^79657516 is an apocalyptic number.

It is an amenable number.

79657516 is a deficient number, since it is larger than the sum of its proper divisors (62373716).

79657516 is a wasteful number, since it uses less digits than its factorization.

79657516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375800 (or 375798 counting only the distinct ones).

The product of its digits is 396900, while the sum is 46.

The square root of 79657516 is about 8925.1059377466. The cubic root of 79657516 is about 430.2711756235.

The spelling of 79657516 in words is "seventy-nine million, six hundred fifty-seven thousand, five hundred sixteen".