26972379198 has 24 divisors (see below), whose sum is σ = 58443185736. Its totient is φ = 8990326800.

The previous prime is 26972379169. The next prime is 26972379221. The reversal of 26972379198 is 89197327962.

26972379198 is a `hidden beast` number, since 2 + 6 + 9 + 72 + 379 + 198 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 617728 + ... + 659948.

It is an arithmetic number, because the mean of its divisors is an integer number (2435132739).

Almost surely, 2^26972379198 is an apocalyptic number.

26972379198 is an abundant number, since it is smaller than the sum of its proper divisors (31470806538).

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

26972379198 is a wasteful number, since it uses less digits than its factorization.

26972379198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77720 (or 77717 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 26972379198 in words is "twenty-six billion, nine hundred seventy-two million, three hundred seventy-nine thousand, one hundred ninety-eight".