79685008809316 has 27 divisors (see below), whose sum is σ = 140478381285529. Its totient is φ = 39550469180768.

The previous prime is 79685008809281. The next prime is 79685008809323. The reversal of 79685008809316 is 61390880058697.

The square root of 79685008809316 is 8926646.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 46807353728100 + 32877655081216 = 6841590^2 + 5733904^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2445884715 + ... + 2445917293.

Almost surely, 2^{79685008809316} is an apocalyptic number.

79685008809316 is the 8926646-th square number.

It is an amenable number.

79685008809316 is a deficient number, since it is larger than the sum of its proper divisors (60793372476213).

79685008809316 is an frugal number, since it uses more digits than its factorization.

79685008809316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65436 (or 32718 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 70.

The spelling of 79685008809316 in words is "seventy-nine trillion, six hundred eighty-five billion, eight million, eight hundred nine thousand, three hundred sixteen".