26870885 has 4 divisors (see below), whose sum is σ = 32245068. Its totient is φ = 21496704.

The previous prime is 26870881. The next prime is 26870933. The reversal of 26870885 is 58807862.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9247681 + 17623204 = 3041^2 + 4198^2 .

It is a cyclic number.

It is not a de Polignac number, because 26870885 - 2² = 26870881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26870881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2687084 + ... + 2687093.

It is an arithmetic number, because the mean of its divisors is an integer number (8061267).

Almost surely, 2^26870885 is an apocalyptic number.

It is an amenable number.

26870885 is a deficient number, since it is larger than the sum of its proper divisors (5374183).

26870885 is an equidigital number, since it uses as much as digits as its factorization.

26870885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374182.

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 26870885 is about 5183.7134372957. The cubic root of 26870885 is about 299.5210320021.

The spelling of 26870885 in words is "twenty-six million, eight hundred seventy thousand, eight hundred eighty-five".