26878988 has 12 divisors (see below), whose sum is σ = 47118792. Its totient is φ = 13416480.

The previous prime is 26878981. The next prime is 26878997. The reversal of 26878988 is 88987862.

It is not an unprimeable number, because it can be changed into a prime (26878981) 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, 2978 + ... + 7913.

It is an arithmetic number, because the mean of its divisors is an integer number (3926566).

Almost surely, 2^26878988 is an apocalyptic number.

It is an amenable number.

26878988 is a deficient number, since it is larger than the sum of its proper divisors (20239804).

26878988 is a wasteful number, since it uses less digits than its factorization.

26878988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11512 (or 11510 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 56.

The square root of 26878988 is about 5184.4949609388. The cubic root of 26878988 is about 299.5511361465.

The spelling of 26878988 in words is "twenty-six million, eight hundred seventy-eight thousand, nine hundred eighty-eight".