79486656 has 112 divisors (see below), whose sum is σ = 220528896. Its totient is φ = 25242624.

The previous prime is 79486639. The next prime is 79486681. The reversal of 79486656 is 65668497.

It is a junction number, because it is equal to n+sod(n) for n = 79486599 and 79486608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 475885 + ... + 476051.

It is an arithmetic number, because the mean of its divisors is an integer number (1969008).

Almost surely, 2^79486656 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 79486656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110264448).

79486656 is an abundant number, since it is smaller than the sum of its proper divisors (141042240).

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

79486656 is a wasteful number, since it uses less digits than its factorization.

79486656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 276 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 79486656 is about 8915.5289242983. The cubic root of 79486656 is about 429.9633211909.

The spelling of 79486656 in words is "seventy-nine million, four hundred eighty-six thousand, six hundred fifty-six".