80479872 has 256 divisors, whose sum is σ = 271728000. Its totient is φ = 23224320.

The previous prime is 80479859. The next prime is 80479873. The reversal of 80479872 is 27897408.

It is not an unprimeable number, because it can be changed into a prime (80479873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1102428 + ... + 1102500.

Almost surely, 2^80479872 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 80479872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135864000).

80479872 is an abundant number, since it is smaller than the sum of its proper divisors (191248128).

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

80479872 is a wasteful number, since it uses less digits than its factorization.

80479872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 80479872 is about 8971.0574627521. The cubic root of 80479872 is about 431.7467651651.

The spelling of 80479872 in words is "eighty million, four hundred seventy-nine thousand, eight hundred seventy-two".