79159229256 has 64 divisors (see below), whose sum is σ = 208652126400. Its totient is φ = 24957047808.

The previous prime is 79159229251. The next prime is 79159229297. The reversal of 79159229256 is 65292295197.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a junction number, because it is equal to n+sod(n) for n = 79159229196 and 79159229205.

It is not an unprimeable number, because it can be changed into a prime (79159229251) 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, 140676 + ... + 422028.

It is an arithmetic number, because the mean of its divisors is an integer number (3260189475).

Almost surely, 2^79159229256 is an apocalyptic number.

79159229256 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is a pronic number, being equal to 281352×281353.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79159229256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104326063200).

79159229256 is an abundant number, since it is smaller than the sum of its proper divisors (129492897144).

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

79159229256 is a wasteful number, since it uses less digits than its factorization.

79159229256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281998 (or 281994 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 57.

The spelling of 79159229256 in words is "seventy-nine billion, one hundred fifty-nine million, two hundred twenty-nine thousand, two hundred fifty-six".