26974798568 has 8 divisors (see below), whose sum is σ = 50577747330. Its totient is φ = 13487399280.

The previous prime is 26974798553. The next prime is 26974798577. The reversal of 26974798568 is 86589747962.

It can be written as a sum of positive squares in only one way, i.e., 17693788324 + 9281010244 = 133018^2 + 96338^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1685924903 + ... + 1685924918.

Almost surely, 2^26974798568 is an apocalyptic number.

It is an amenable number.

26974798568 is a deficient number, since it is larger than the sum of its proper divisors (23602948762).

26974798568 is a wasteful number, since it uses less digits than its factorization.

26974798568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3371849827 (or 3371849823 counting only the distinct ones).

The product of its digits is 365783040, while the sum is 71.

The spelling of 26974798568 in words is "twenty-six billion, nine hundred seventy-four million, seven hundred ninety-eight thousand, five hundred sixty-eight".