260226779 has 2 divisors, whose sum is σ = 260226780. Its totient is φ = 260226778.

The previous prime is 260226737. The next prime is 260226787. The reversal of 260226779 is 977622062.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260226779 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260426779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130113389 + 130113390.

It is an arithmetic number, because the mean of its divisors is an integer number (130113390).

Almost surely, 2^260226779 is an apocalyptic number.

260226779 is a deficient number, since it is larger than the sum of its proper divisors (1).

260226779 is an equidigital number, since it uses as much as digits as its factorization.

260226779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 260226779 is about 16131.5460821336. The cubic root of 260226779 is about 638.4359423630.

The spelling of 260226779 in words is "two hundred sixty million, two hundred twenty-six thousand, seven hundred seventy-nine".