26875664 has 40 divisors (see below), whose sum is σ = 54418392. Its totient is φ = 12846080.

The previous prime is 26875631. The next prime is 26875679. The reversal of 26875664 is 46657862.

It can be written as a sum of positive squares in 4 ways, for example, as 43264 + 26832400 = 208^2 + 5180^2 .

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, 34382 + ... + 35154.

Almost surely, 2^26875664 is an apocalyptic number.

It is an amenable number.

26875664 is an abundant number, since it is smaller than the sum of its proper divisors (27542728).

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

26875664 is a wasteful number, since it uses less digits than its factorization.

26875664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 869 counting only the distinct ones).

The product of its digits is 483840, while the sum is 44.

The square root of 26875664 is about 5184.1743797831. The cubic root of 26875664 is about 299.5387876034.

The spelling of 26875664 in words is "twenty-six million, eight hundred seventy-five thousand, six hundred sixty-four".