676452864 has 40 divisors (see below), whose sum is σ = 1802116800. Its totient is φ = 225483776.

The previous prime is 676452863. The next prime is 676452893. The reversal of 676452864 is 468254676.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (676452863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218664 + ... + 221735.

It is an arithmetic number, because the mean of its divisors is an integer number (45052920).

Almost surely, 2^676452864 is an apocalyptic number.

676452864 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

676452864 is an abundant number, since it is smaller than the sum of its proper divisors (1125663936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

676452864 is an equidigital number, since it uses as much as digits as its factorization.

676452864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440420 (or 440404 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 48.

The square root of 676452864 is about 26008.7074650010. The cubic root of 676452864 is about 877.8342334368.

The spelling of 676452864 in words is "six hundred seventy-six million, four hundred fifty-two thousand, eight hundred sixty-four".