80814956 has 12 divisors (see below), whose sum is σ = 145248768. Its totient is φ = 39315312.

The previous prime is 80814953. The next prime is 80814971. The reversal of 80814956 is 65941808.

It is a super-2 number, since 2×80814956² = 13062114226563872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80814953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272876 + ... + 273171.

It is an arithmetic number, because the mean of its divisors is an integer number (12104064).

Almost surely, 2^80814956 is an apocalyptic number.

It is an amenable number.

80814956 is a deficient number, since it is larger than the sum of its proper divisors (64433812).

80814956 is a wasteful number, since it uses less digits than its factorization.

80814956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546088 (or 546086 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 80814956 is about 8989.7138997857. The cubic root of 80814956 is about 432.3451388501.

The spelling of 80814956 in words is "eighty million, eight hundred fourteen thousand, nine hundred fifty-six".