80919522 has 24 divisors (see below), whose sum is σ = 177441264. Its totient is φ = 26647704.

The previous prime is 80919493. The next prime is 80919533. The reversal of 80919522 is 22591908.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25588 + ... + 28575.

It is an arithmetic number, because the mean of its divisors is an integer number (7393386).

Almost surely, 2^80919522 is an apocalyptic number.

80919522 is an abundant number, since it is smaller than the sum of its proper divisors (96521742).

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

80919522 is a wasteful number, since it uses less digits than its factorization.

80919522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54254 (or 54251 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 80919522 is about 8995.5278889012. The cubic root of 80919522 is about 432.5315281014.

The spelling of 80919522 in words is "eighty million, nine hundred nineteen thousand, five hundred twenty-two".