26459779 has 2 divisors, whose sum is σ = 26459780. Its totient is φ = 26459778.

The previous prime is 26459767. The next prime is 26459813. The reversal of 26459779 is 97795462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26459779 - 2⁵ = 26459747 is a prime.

It is not a weakly prime, because it can be changed into another prime (26459759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13229889 + 13229890.

It is an arithmetic number, because the mean of its divisors is an integer number (13229890).

Almost surely, 2^26459779 is an apocalyptic number.

26459779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26459779 is an equidigital number, since it uses as much as digits as its factorization.

26459779 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 49.

The square root of 26459779 is about 5143.9069781636. The cubic root of 26459779 is about 297.9856868942.

The spelling of 26459779 in words is "twenty-six million, four hundred fifty-nine thousand, seven hundred seventy-nine".