807648831 has 24 divisors (see below), whose sum is σ = 1273770576. Its totient is φ = 489056640.

The previous prime is 807648781. The next prime is 807648857. The reversal of 807648831 is 138846708.

It is not a de Polignac number, because 807648831 - 2⁹ = 807648319 is a prime.

It is a super-2 number, since 2×807648831² = 1304593268431333122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (807648871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 139021 + ... + 144713.

It is an arithmetic number, because the mean of its divisors is an integer number (53073774).

Almost surely, 2^807648831 is an apocalyptic number.

807648831 is a deficient number, since it is larger than the sum of its proper divisors (466121745).

807648831 is a wasteful number, since it uses less digits than its factorization.

807648831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7143 (or 7140 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 807648831 is about 28419.1630946444. The cubic root of 807648831 is about 931.2669482314.

The spelling of 807648831 in words is "eight hundred seven million, six hundred forty-eight thousand, eight hundred thirty-one".