80593681 has 8 divisors (see below), whose sum is σ = 93987200. Its totient is φ = 69080004.

The previous prime is 80593637. The next prime is 80593691. The reversal of 80593681 is 18639508.

It is a happy number.

It is not a de Polignac number, because 80593681 - 2⁷ = 80593553 is a prime.

It is a super-2 number, since 2×80593681² = 12990682834259522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80593691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117141 + ... + 117826.

It is an arithmetic number, because the mean of its divisors is an integer number (11748400).

Almost surely, 2^80593681 is an apocalyptic number.

It is an amenable number.

80593681 is a deficient number, since it is larger than the sum of its proper divisors (13393519).

80593681 is an equidigital number, since it uses as much as digits as its factorization.

80593681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234988 (or 234974 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 80593681 is about 8977.3983425044. The cubic root of 80593681 is about 431.9501846565.

The spelling of 80593681 in words is "eighty million, five hundred ninety-three thousand, six hundred eighty-one".