79680976 has 20 divisors (see below), whose sum is σ = 154578400. Its totient is φ = 39789792.

The previous prime is 79680973. The next prime is 79680977. The reversal of 79680976 is 67908697.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79680973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11995 + ... + 17413.

It is an arithmetic number, because the mean of its divisors is an integer number (7728920).

Almost surely, 2^79680976 is an apocalyptic number.

It is an amenable number.

79680976 is a deficient number, since it is larger than the sum of its proper divisors (74897424).

79680976 is a wasteful number, since it uses less digits than its factorization.

79680976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346 (or 6340 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 52.

The square root of 79680976 is about 8926.4201111084. The cubic root of 79680976 is about 430.3134113157.

It can be divided in two parts, 79680 and 976, that added together give a square (80656 = 284²).

The spelling of 79680976 in words is "seventy-nine million, six hundred eighty thousand, nine hundred seventy-six".