26897947924 has 12 divisors (see below), whose sum is σ = 47085875200. Its totient is φ = 13444840728.

The previous prime is 26897947919. The next prime is 26897947991. The reversal of 26897947924 is 42974979862.

It is a self number, because there is not a number n which added to its sum of digits gives 26897947924.

It is a congruent number.

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, 1018644 + ... + 1044715.

Almost surely, 2^26897947924 is an apocalyptic number.

It is an amenable number.

26897947924 is a deficient number, since it is larger than the sum of its proper divisors (20187927276).

26897947924 is a wasteful number, since it uses less digits than its factorization.

26897947924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2066622 (or 2066620 counting only the distinct ones).

The product of its digits is 109734912, while the sum is 67.

The spelling of 26897947924 in words is "twenty-six billion, eight hundred ninety-seven million, nine hundred forty-seven thousand, nine hundred twenty-four".