26583979 has 2 divisors, whose sum is σ = 26583980. Its totient is φ = 26583978.

The previous prime is 26583959. The next prime is 26583989. The reversal of 26583979 is 97938562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26583979 - 2²¹ = 24486827 is a prime.

It is a super-4 number, since 4×26583979⁴ (a number of 31 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (26583959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13291989 + 13291990.

It is an arithmetic number, because the mean of its divisors is an integer number (13291990).

Almost surely, 2^26583979 is an apocalyptic number.

26583979 is a deficient number, since it is larger than the sum of its proper divisors (1).

26583979 is an equidigital number, since it uses as much as digits as its factorization.

26583979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 26583979 is about 5155.9653800234. The cubic root of 26583979 is about 298.4511992962.

The spelling of 26583979 in words is "twenty-six million, five hundred eighty-three thousand, nine hundred seventy-nine".