26870080 has 28 divisors (see below), whose sum is σ = 63985140. Its totient is φ = 10747904.

The previous prime is 26870027. The next prime is 26870083. The reversal of 26870080 is 8007862.

It can be written as a sum of positive squares in 2 ways, for example, as 18249984 + 8620096 = 4272^2 + 2936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26870083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41665 + ... + 42304.

Almost surely, 2^26870080 is an apocalyptic number.

26870080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26870080 is an abundant number, since it is smaller than the sum of its proper divisors (37115060).

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

26870080 is an equidigital number, since it uses as much as digits as its factorization.

26870080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83986 (or 83976 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 26870080 is about 5183.6357896750. The cubic root of 26870080 is about 299.5180409477.

The spelling of 26870080 in words is "twenty-six million, eight hundred seventy thousand, eighty".