80364657 has 12 divisors (see below), whose sum is σ = 108170160. Its totient is φ = 53069832.

The previous prime is 80364649. The next prime is 80364659. The reversal of 80364657 is 75646308.

It is not a de Polignac number, because 80364657 - 2³ = 80364649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80364659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182844 + ... + 183282.

It is an arithmetic number, because the mean of its divisors is an integer number (9014180).

Almost surely, 2^80364657 is an apocalyptic number.

It is an amenable number.

80364657 is a deficient number, since it is larger than the sum of its proper divisors (27805503).

80364657 is an equidigital number, since it uses as much as digits as its factorization.

80364657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 80364657 is about 8964.6336790747. The cubic root of 80364657 is about 431.5406371859.

The spelling of 80364657 in words is "eighty million, three hundred sixty-four thousand, six hundred fifty-seven".