26879964 has 12 divisors (see below), whose sum is σ = 62719944. Its totient is φ = 8959984.

The previous prime is 26879947. The next prime is 26879971. The reversal of 26879964 is 46997862.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 1119987 + ... + 1120010.

It is an arithmetic number, because the mean of its divisors is an integer number (5226662).

Almost surely, 2^26879964 is an apocalyptic number.

It is an amenable number.

26879964 is an abundant number, since it is smaller than the sum of its proper divisors (35839980).

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

26879964 is a wasteful number, since it uses less digits than its factorization.

26879964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2240004 (or 2240002 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 26879964 is about 5184.5890868998. The cubic root of 26879964 is about 299.5547617588.

The spelling of 26879964 in words is "twenty-six million, eight hundred seventy-nine thousand, nine hundred sixty-four".