636676108 has 24 divisors (see below), whose sum is σ = 1128656592. Its totient is φ = 314224704.

The previous prime is 636676097. The next prime is 636676169. The reversal of 636676108 is 801676636.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122866 + ... + 127942.

It is an arithmetic number, because the mean of its divisors is an integer number (47027358).

Almost surely, 2^636676108 is an apocalyptic number.

It is an amenable number.

636676108 is a deficient number, since it is larger than the sum of its proper divisors (491980484).

636676108 is a wasteful number, since it uses less digits than its factorization.

636676108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5481 (or 5479 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 636676108 is about 25232.4415782540. The cubic root of 636676108 is about 860.2793882230.

The spelling of 636676108 in words is "six hundred thirty-six million, six hundred seventy-six thousand, one hundred eight".