79707216 has 40 divisors (see below), whose sum is σ = 206236800. Its totient is φ = 26526976.

The previous prime is 79707211. The next prime is 79707247. The reversal of 79707216 is 61270797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79707211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49561 + ... + 51143.

It is an arithmetic number, because the mean of its divisors is an integer number (5155920).

Almost surely, 2^79707216 is an apocalyptic number.

It is an amenable number.

79707216 is an abundant number, since it is smaller than the sum of its proper divisors (126529584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79707216 is a wasteful number, since it uses less digits than its factorization.

79707216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2643 (or 2637 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 39.

The square root of 79707216 is about 8927.8897842659. The cubic root of 79707216 is about 430.3606420988.

The spelling of 79707216 in words is "seventy-nine million, seven hundred seven thousand, two hundred sixteen".