79998256 has 40 divisors (see below), whose sum is σ = 169301664. Its totient is φ = 36395520.

The previous prime is 79998241. The next prime is 79998271. The reversal of 79998256 is 65289997.

It is an interprime number because it is at equal distance from previous prime (79998241) and next prime (79998271).

It is a junction number, because it is equal to n+sod(n) for n = 79998197 and 79998206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12060 + ... + 17476.

Almost surely, 2^79998256 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 79998256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84650832).

79998256 is an abundant number, since it is smaller than the sum of its proper divisors (89303408).

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

79998256 is a wasteful number, since it uses less digits than its factorization.

79998256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5509 (or 5503 counting only the distinct ones).

The product of its digits is 2449440, while the sum is 55.

The square root of 79998256 is about 8944.1744169040. The cubic root of 79998256 is about 430.8838068719.

The spelling of 79998256 in words is "seventy-nine million, nine hundred ninety-eight thousand, two hundred fifty-six".