667882684808 has 32 divisors (see below), whose sum is σ = 1253240818200. Its totient is φ = 333685251072.

The previous prime is 667882684793. The next prime is 667882684811. The reversal of 667882684808 is 808486288766.

It can be written as a sum of positive squares in 4 ways, for example, as 509970230884 + 157912453924 = 714122^2 + 397382^2 .

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, 82767398 + ... + 82775466.

Almost surely, 2^667882684808 is an apocalyptic number.

It is an amenable number.

667882684808 is a deficient number, since it is larger than the sum of its proper divisors (585358133392).

667882684808 is a wasteful number, since it uses less digits than its factorization.

667882684808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14729 (or 14725 counting only the distinct ones).

The product of its (nonzero) digits is 396361728, while the sum is 71.

The spelling of 667882684808 in words is "six hundred sixty-seven billion, eight hundred eighty-two million, six hundred eighty-four thousand, eight hundred eight".