578928631 has 2 divisors, whose sum is σ = 578928632. Its totient is φ = 578928630.

The previous prime is 578928589. The next prime is 578928661. The reversal of 578928631 is 136829875.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-578928631 is a prime.

It is a super-2 number, since 2×578928631² = 670316719583068322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (578928661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 289464315 + 289464316.

It is an arithmetic number, because the mean of its divisors is an integer number (289464316).

Almost surely, 2^578928631 is an apocalyptic number.

578928631 is a deficient number, since it is larger than the sum of its proper divisors (1).

578928631 is an equidigital number, since it uses as much as digits as its factorization.

578928631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 49.

The square root of 578928631 is about 24060.9357881193. The cubic root of 578928631 is about 833.4412844508.

The spelling of 578928631 in words is "five hundred seventy-eight million, nine hundred twenty-eight thousand, six hundred thirty-one".