26764864 has 28 divisors (see below), whose sum is σ = 60699904. Its totient is φ = 11470464.

The previous prime is 26764853. The next prime is 26764879. The reversal of 26764864 is 46846762.

It is a tau number, because it is divible by the number of its divisors (28).

It is a self number, because there is not a number n which added to its sum of digits gives 26764864.

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, 29424 + ... + 30319.

Almost surely, 2^26764864 is an apocalyptic number.

It is an amenable number.

26764864 is an abundant number, since it is smaller than the sum of its proper divisors (33935040).

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

26764864 is an equidigital number, since it uses as much as digits as its factorization.

26764864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59762 (or 59752 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The square root of 26764864 is about 5173.4769739509. The cubic root of 26764864 is about 299.1265855510.

The spelling of 26764864 in words is "twenty-six million, seven hundred sixty-four thousand, eight hundred sixty-four".