26946779 has 2 divisors, whose sum is σ = 26946780. Its totient is φ = 26946778.

The previous prime is 26946761. The next prime is 26946791. The reversal of 26946779 is 97764962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26946779 - 2⁸ = 26946523 is a prime.

It is a super-2 number, since 2×26946779² = 1452257796949682, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26946749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13473389 + 13473390.

It is an arithmetic number, because the mean of its divisors is an integer number (13473390).

Almost surely, 2^26946779 is an apocalyptic number.

26946779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26946779 is an equidigital number, since it uses as much as digits as its factorization.

26946779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1143072, while the sum is 50.

The square root of 26946779 is about 5191.0287034460. The cubic root of 26946779 is about 299.8027555290.

The spelling of 26946779 in words is "twenty-six million, nine hundred forty-six thousand, seven hundred seventy-nine".