79151856 has 120 divisors (see below), whose sum is σ = 241640784. Its totient is φ = 22256640.

The previous prime is 79151827. The next prime is 79151869. The reversal of 79151856 is 65815197.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171466 + ... + 171926.

Almost surely, 2^79151856 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 79151856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120820392).

79151856 is an abundant number, since it is smaller than the sum of its proper divisors (162488928).

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

79151856 is a wasteful number, since it uses less digits than its factorization.

79151856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 546 counting only the distinct ones).

The product of its digits is 75600, while the sum is 42.

The square root of 79151856 is about 8896.7328834803. The cubic root of 79151856 is about 429.3587991616.

The spelling of 79151856 in words is "seventy-nine million, one hundred fifty-one thousand, eight hundred fifty-six".