26022779 has 2 divisors, whose sum is σ = 26022780. Its totient is φ = 26022778.

The previous prime is 26022719. The next prime is 26022781. The reversal of 26022779 is 97722062.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26022779 is a prime.

Together with 26022781, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26022709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13011389 + 13011390.

It is an arithmetic number, because the mean of its divisors is an integer number (13011390).

Almost surely, 2^26022779 is an apocalyptic number.

26022779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26022779 is an equidigital number, since it uses as much as digits as its factorization.

26022779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 26022779 is about 5101.2526892911. The cubic root of 26022779 is about 296.3360978664.

The spelling of 26022779 in words is "twenty-six million, twenty-two thousand, seven hundred seventy-nine".