26885274568 has 16 divisors (see below), whose sum is σ = 50416986780. Its totient is φ = 13440744768.

The previous prime is 26885274547. The next prime is 26885274571. The reversal of 26885274568 is 86547258862.

It can be written as a sum of positive squares in 2 ways, for example, as 26883537444 + 1737124 = 163962^2 + 1318^2 .

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, 175255 + ... + 290662.

Almost surely, 2^26885274568 is an apocalyptic number.

It is an amenable number.

26885274568 is a deficient number, since it is larger than the sum of its proper divisors (23531712212).

26885274568 is a wasteful number, since it uses less digits than its factorization.

26885274568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473136 (or 473132 counting only the distinct ones).

The product of its digits is 51609600, while the sum is 61.

The spelling of 26885274568 in words is "twenty-six billion, eight hundred eighty-five million, two hundred seventy-four thousand, five hundred sixty-eight".