80892812 has 96 divisors (see below), whose sum is σ = 193052160. Its totient is φ = 28638720.

The previous prime is 80892811. The next prime is 80892821. The reversal of 80892812 is 21829808.

It is not an unprimeable number, because it can be changed into a prime (80892811) 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, 356243 + ... + 356469.

It is an arithmetic number, because the mean of its divisors is an integer number (2010960).

Almost surely, 2^80892812 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 80892812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96526080).

80892812 is an abundant number, since it is smaller than the sum of its proper divisors (112159348).

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

80892812 is a wasteful number, since it uses less digits than its factorization.

80892812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 80892812 is about 8994.0431397676. The cubic root of 80892812 is about 432.4839327119.

It can be divided in two parts, 8089 and 2812, that added together give a palindrome (10901).

The spelling of 80892812 in words is "eighty million, eight hundred ninety-two thousand, eight hundred twelve".