26897606908 has 24 divisors (see below), whose sum is σ = 47158070400. Its totient is φ = 13423898928.

The previous prime is 26897606849. The next prime is 26897606929. The reversal of 26897606908 is 80960679862.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7115763 + ... + 7119541.

It is an arithmetic number, because the mean of its divisors is an integer number (1964919600).

Almost surely, 2^26897606908 is an apocalyptic number.

It is an amenable number.

26897606908 is a deficient number, since it is larger than the sum of its proper divisors (20260463492).

26897606908 is a wasteful number, since it uses less digits than its factorization.

26897606908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6609 (or 6607 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 26897606908 in words is "twenty-six billion, eight hundred ninety-seven million, six hundred six thousand, nine hundred eight".