26072037821779 has 2 divisors, whose sum is σ = 26072037821780. Its totient is φ = 26072037821778.

The previous prime is 26072037821759. The next prime is 26072037821833. The reversal of 26072037821779 is 97712873027062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26072037821779 - 2⁵ = 26072037821747 is a prime.

It is not a weakly prime, because it can be changed into another prime (26072037821759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13036018910889 + 13036018910890.

It is an arithmetic number, because the mean of its divisors is an integer number (13036018910890).

Almost surely, 2^{26072037821779} is an apocalyptic number.

26072037821779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26072037821779 is an equidigital number, since it uses as much as digits as its factorization.

26072037821779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24893568, while the sum is 61.

The spelling of 26072037821779 in words is "twenty-six trillion, seventy-two billion, thirty-seven million, eight hundred twenty-one thousand, seven hundred seventy-nine".