6698397976 has 16 divisors (see below), whose sum is σ = 12572366040. Its totient is φ = 3345767040.

The previous prime is 6698397967. The next prime is 6698398009. The reversal of 6698397976 is 6797938966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 420690 + ... + 436321.

Almost surely, 2^6698397976 is an apocalyptic number.

It is an amenable number.

6698397976 is a deficient number, since it is larger than the sum of its proper divisors (5873968064).

6698397976 is a wasteful number, since it uses less digits than its factorization.

6698397976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857994 (or 857990 counting only the distinct ones).

The product of its digits is 185177664, while the sum is 70.

The square root of 6698397976 is about 81843.7412145852. The cubic root of 6698397976 is about 1885.0533632495.

The spelling of 6698397976 in words is "six billion, six hundred ninety-eight million, three hundred ninety-seven thousand, nine hundred seventy-six".