80512800 has 72 divisors (see below), whose sum is σ = 262076976. Its totient is φ = 21469440.

The previous prime is 80512781. The next prime is 80512801. The reversal of 80512800 is 821508.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (80512801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14374 + ... + 19173.

It is an arithmetic number, because the mean of its divisors is an integer number (3639958).

Almost surely, 2^80512800 is an apocalyptic number.

80512800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

80512800 is an abundant number, since it is smaller than the sum of its proper divisors (181564176).

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

80512800 is a wasteful number, since it uses less digits than its factorization.

80512800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33570 (or 33557 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The square root of 80512800 is about 8972.8925102221. The cubic root of 80512800 is about 431.8056395921.

The spelling of 80512800 in words is "eighty million, five hundred twelve thousand, eight hundred".