79816716 has 144 divisors (see below), whose sum is σ = 246564864. Its totient is φ = 21276288.

The previous prime is 79816703. The next prime is 79816721. The reversal of 79816716 is 61761897.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 272266 + ... + 272558.

It is an arithmetic number, because the mean of its divisors is an integer number (1712256).

Almost surely, 2^79816716 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79816716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123282432).

79816716 is an abundant number, since it is smaller than the sum of its proper divisors (166748148).

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

79816716 is a wasteful number, since it uses less digits than its factorization.

79816716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 380 (or 375 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 79816716 is about 8934.0201477274. The cubic root of 79816716 is about 430.5576252144.

The spelling of 79816716 in words is "seventy-nine million, eight hundred sixteen thousand, seven hundred sixteen".