80256312 has 64 divisors (see below), whose sum is σ = 223668000. Its totient is φ = 26664192.

The previous prime is 80256299. The next prime is 80256331. The reversal of 80256312 is 21365208.

80256312 is a `hidden beast` number, since 8 + 0 + 25 + 631 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 122578 + ... + 123230.

Almost surely, 2^80256312 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 80256312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111834000).

80256312 is an abundant number, since it is smaller than the sum of its proper divisors (143411688).

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

80256312 is a wasteful number, since it uses less digits than its factorization.

80256312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 80256312 is about 8958.5887281424. The cubic root of 80256312 is about 431.3466203169.

The spelling of 80256312 in words is "eighty million, two hundred fifty-six thousand, three hundred twelve".