26879664 has 40 divisors (see below), whose sum is σ = 79360000. Its totient is φ = 7679808.

The previous prime is 26879659. The next prime is 26879683. The reversal of 26879664 is 46697862.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39664 + ... + 40335.

It is an arithmetic number, because the mean of its divisors is an integer number (1984000).

Almost surely, 2^26879664 is an apocalyptic number.

26879664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26879664 is an abundant number, since it is smaller than the sum of its proper divisors (52480336).

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

26879664 is a wasteful number, since it uses less digits than its factorization.

26879664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80017 (or 80011 counting only the distinct ones).

The product of its digits is 870912, while the sum is 48.

The square root of 26879664 is about 5184.5601549215. The cubic root of 26879664 is about 299.5536473381.

The spelling of 26879664 in words is "twenty-six million, eight hundred seventy-nine thousand, six hundred sixty-four".