916576819 has 2 divisors, whose sum is σ = 916576820. Its totient is φ = 916576818.

The previous prime is 916576799. The next prime is 916576861. The reversal of 916576819 is 918675619.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-916576819 is a prime.

It is a super-2 number, since 2×916576819² = 1680226130256317522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (916577819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458288409 + 458288410.

It is an arithmetic number, because the mean of its divisors is an integer number (458288410).

Almost surely, 2^916576819 is an apocalyptic number.

916576819 is a deficient number, since it is larger than the sum of its proper divisors (1).

916576819 is an equidigital number, since it uses as much as digits as its factorization.

916576819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 52.

The square root of 916576819 is about 30275.0197192339. The cubic root of 916576819 is about 971.3810416243.

The spelling of 916576819 in words is "nine hundred sixteen million, five hundred seventy-six thousand, eight hundred nineteen".