6698879736 has 16 divisors (see below), whose sum is σ = 16747199400. Its totient is φ = 2232959904.

The previous prime is 6698879729. The next prime is 6698879791. The reversal of 6698879736 is 6379788966.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 139559971 + ... + 139560018.

Almost surely, 2^6698879736 is an apocalyptic number.

It is an amenable number.

6698879736 is an abundant number, since it is smaller than the sum of its proper divisors (10048319664).

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

6698879736 is a wasteful number, since it uses less digits than its factorization.

6698879736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279119998 (or 279119994 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 69.

The square root of 6698879736 is about 81846.6843311322. The cubic root of 6698879736 is about 1885.0985542310.

The spelling of 6698879736 in words is "six billion, six hundred ninety-eight million, eight hundred seventy-nine thousand, seven hundred thirty-six".