79522516 has 6 divisors (see below), whose sum is σ = 139164410. Its totient is φ = 39761256.

The previous prime is 79522459. The next prime is 79522519. The reversal of 79522516 is 61522597.

It can be written as a sum of positive squares in only one way, i.e., 76632516 + 2890000 = 8754^2 + 1700^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79522519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9940311 + ... + 9940318.

Almost surely, 2^79522516 is an apocalyptic number.

It is an amenable number.

79522516 is a deficient number, since it is larger than the sum of its proper divisors (59641894).

79522516 is a wasteful number, since it uses less digits than its factorization.

79522516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19880633 (or 19880631 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 79522516 is about 8917.5397952574. The cubic root of 79522516 is about 430.0279700573.

The spelling of 79522516 in words is "seventy-nine million, five hundred twenty-two thousand, five hundred sixteen".