79679860 has 48 divisors (see below), whose sum is σ = 184415616. Its totient is φ = 28732032.

The previous prime is 79679839. The next prime is 79679869. The reversal of 79679860 is 6897697.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 79679798 and 79679807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79679869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7617 + ... + 14743.

It is an arithmetic number, because the mean of its divisors is an integer number (3841992).

Almost surely, 2^79679860 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 79679860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92207808).

79679860 is an abundant number, since it is smaller than the sum of its proper divisors (104735756).

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

79679860 is a wasteful number, since it uses less digits than its factorization.

79679860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7192 (or 7190 counting only the distinct ones).

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

The square root of 79679860 is about 8926.3575998276. The cubic root of 79679860 is about 430.3114023376.

It can be divided in two parts, 796 and 79860, that added together give a square (80656 = 284²).

The spelling of 79679860 in words is "seventy-nine million, six hundred seventy-nine thousand, eight hundred sixty".