13977968198 has 16 divisors (see below), whose sum is σ = 21031920000. Its totient is φ = 6967358592.

The previous prime is 13977968189. The next prime is 13977968237. The reversal of 13977968198 is 89186977931.

It is a Curzon number.

It is a congruent number.

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, 1017278 + ... + 1030926.

It is an arithmetic number, because the mean of its divisors is an integer number (1314495000).

Almost surely, 2^13977968198 is an apocalyptic number.

13977968198 is a deficient number, since it is larger than the sum of its proper divisors (7053951802).

13977968198 is a wasteful number, since it uses less digits than its factorization.

13977968198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15199.

The product of its digits is 41150592, while the sum is 68.

The spelling of 13977968198 in words is "thirteen billion, nine hundred seventy-seven million, nine hundred sixty-eight thousand, one hundred ninety-eight".