80578212 has 48 divisors (see below), whose sum is σ = 220890432. Its totient is φ = 22538880.

The previous prime is 80578189. The next prime is 80578213. The reversal of 80578212 is 21287508.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (80578213) 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, 21763 + ... + 25194.

It is an arithmetic number, because the mean of its divisors is an integer number (4601884).

Almost surely, 2^80578212 is an apocalyptic number.

It is an amenable number.

80578212 is an abundant number, since it is smaller than the sum of its proper divisors (140312220).

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

80578212 is a wasteful number, since it uses less digits than its factorization.

80578212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46988 (or 46986 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 80578212 is about 8976.5367486576. The cubic root of 80578212 is about 431.9225469854.

The spelling of 80578212 in words is "eighty million, five hundred seventy-eight thousand, two hundred twelve".