80944931 has 2 divisors, whose sum is σ = 80944932. Its totient is φ = 80944930.

The previous prime is 80944891. The next prime is 80944933. The reversal of 80944931 is 13944908.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80944931 - 2¹⁸ = 80682787 is a prime.

It is a super-2 number, since 2×80944931² = 13104163709189522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 80944933, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80944933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40472465 + 40472466.

It is an arithmetic number, because the mean of its divisors is an integer number (40472466).

Almost surely, 2^80944931 is an apocalyptic number.

80944931 is a deficient number, since it is larger than the sum of its proper divisors (1).

80944931 is an equidigital number, since it uses as much as digits as its factorization.

80944931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 80944931 is about 8996.9400909420. The cubic root of 80944931 is about 432.5767954782.

The spelling of 80944931 in words is "eighty million, nine hundred forty-four thousand, nine hundred thirty-one".