80557307 has 2 divisors, whose sum is σ = 80557308. Its totient is φ = 80557306.

The previous prime is 80557261. The next prime is 80557319. The reversal of 80557307 is 70375508.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80557307 - 2⁸ = 80557051 is a prime.

It is a super-2 number, since 2×80557307² = 12978959422184498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (80551307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40278653 + 40278654.

It is an arithmetic number, because the mean of its divisors is an integer number (40278654).

Almost surely, 2^80557307 is an apocalyptic number.

80557307 is a deficient number, since it is larger than the sum of its proper divisors (1).

80557307 is an equidigital number, since it uses as much as digits as its factorization.

80557307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 80557307 is about 8975.3722485477. The cubic root of 80557307 is about 431.8851914704.

The spelling of 80557307 in words is "eighty million, five hundred fifty-seven thousand, three hundred seven".