26687414928 has 20 divisors (see below), whose sum is σ = 68942488688. Its totient is φ = 8895804960.

The previous prime is 26687414927. The next prime is 26687414969. The reversal of 26687414928 is 82941478662.

It is not an unprimeable number, because it can be changed into a prime (26687414927) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277993858 + ... + 277993953.

Almost surely, 2^26687414928 is an apocalyptic number.

It is an amenable number.

26687414928 is an abundant number, since it is smaller than the sum of its proper divisors (42255073760).

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

26687414928 is a wasteful number, since it uses less digits than its factorization.

26687414928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555987822 (or 555987816 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 57.

The spelling of 26687414928 in words is "twenty-six billion, six hundred eighty-seven million, four hundred fourteen thousand, nine hundred twenty-eight".