80520894 has 12 divisors (see below), whose sum is σ = 174461976. Its totient is φ = 26840292.

The previous prime is 80520889. The next prime is 80520929. The reversal of 80520894 is 49802508.

It is a super-2 number, since 2×80520894² = 12967228741118472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2236674 + ... + 2236709.

It is an arithmetic number, because the mean of its divisors is an integer number (14538498).

Almost surely, 2^80520894 is an apocalyptic number.

80520894 is an abundant number, since it is smaller than the sum of its proper divisors (93941082).

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

80520894 is a wasteful number, since it uses less digits than its factorization.

80520894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473391 (or 4473388 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 80520894 is about 8973.3435240160. The cubic root of 80520894 is about 431.8201090004.

The spelling of 80520894 in words is "eighty million, five hundred twenty thousand, eight hundred ninety-four".