26969479 has 2 divisors, whose sum is σ = 26969480. Its totient is φ = 26969478.

The previous prime is 26969441. The next prime is 26969533. The reversal of 26969479 is 97496962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26969479 - 2¹³ = 26961287 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26969779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13484739 + 13484740.

It is an arithmetic number, because the mean of its divisors is an integer number (13484740).

Almost surely, 2^26969479 is an apocalyptic number.

26969479 is a deficient number, since it is larger than the sum of its proper divisors (1).

26969479 is an equidigital number, since it uses as much as digits as its factorization.

26969479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1469664, while the sum is 52.

The square root of 26969479 is about 5193.2147076739. The cubic root of 26969479 is about 299.8869166385.

The spelling of 26969479 in words is "twenty-six million, nine hundred sixty-nine thousand, four hundred seventy-nine".