79151516 has 12 divisors (see below), whose sum is σ = 138826800. Its totient is φ = 39486720.

The previous prime is 79151489. The next prime is 79151521. The reversal of 79151516 is 61515197.

It is a happy number.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

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, 20240 + ... + 23831.

It is an arithmetic number, because the mean of its divisors is an integer number (11568900).

Almost surely, 2^79151516 is an apocalyptic number.

It is an amenable number.

79151516 is a deficient number, since it is larger than the sum of its proper divisors (59675284).

79151516 is a wasteful number, since it uses less digits than its factorization.

79151516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44524 (or 44522 counting only the distinct ones).

The product of its digits is 9450, while the sum is 35.

The square root of 79151516 is about 8896.7137753218. The cubic root of 79151516 is about 429.3581843847.

The spelling of 79151516 in words is "seventy-nine million, one hundred fifty-one thousand, five hundred sixteen".