26253979 has 12 divisors (see below), whose sum is σ = 27557296. Its totient is φ = 24991632.

The previous prime is 26253959. The next prime is 26254003. The reversal of 26253979 is 97935262.

It is not a de Polignac number, because 26253979 - 2⁵ = 26253947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26253919) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 254842 + ... + 254944.

Almost surely, 2^26253979 is an apocalyptic number.

26253979 is a deficient number, since it is larger than the sum of its proper divisors (1303317).

26253979 is an equidigital number, since it uses as much as digits as its factorization.

26253979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 223 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The square root of 26253979 is about 5123.8636789048. The cubic root of 26253979 is about 297.2111133020.

The spelling of 26253979 in words is "twenty-six million, two hundred fifty-three thousand, nine hundred seventy-nine".