676476840 has 64 divisors (see below), whose sum is σ = 2185545600. Its totient is φ = 166516992.

The previous prime is 676476839. The next prime is 676476887. The reversal of 676476840 is 48674676.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 676476840.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215260 + ... + 218379.

It is an arithmetic number, because the mean of its divisors is an integer number (34149150).

Almost surely, 2^676476840 is an apocalyptic number.

676476840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

676476840 is an abundant number, since it is smaller than the sum of its proper divisors (1509068760).

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

676476840 is a wasteful number, since it uses less digits than its factorization.

676476840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433666 (or 433662 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 48.

The square root of 676476840 is about 26009.1683834759. The cubic root of 676476840 is about 877.8446045486.

The spelling of 676476840 in words is "six hundred seventy-six million, four hundred seventy-six thousand, eight hundred forty".