26700864 has 28 divisors (see below), whose sum is σ = 70646544. Its totient is φ = 8900224.

The previous prime is 26700853. The next prime is 26700911. The reversal of 26700864 is 46800762.

It is a super-2 number, since 2×26700864² = 1425872276692992, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 69342 + ... + 69725.

Almost surely, 2^26700864 is an apocalyptic number.

26700864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

26700864 is an abundant number, since it is smaller than the sum of its proper divisors (43945680).

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

26700864 is a wasteful number, since it uses less digits than its factorization.

26700864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139082 (or 139072 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 26700864 is about 5167.2878766332. The cubic root of 26700864 is about 298.8879719608.

The spelling of 26700864 in words is "twenty-six million, seven hundred thousand, eight hundred sixty-four".