26600022457 has 2 divisors, whose sum is σ = 26600022458. Its totient is φ = 26600022456.

The previous prime is 26600022443. The next prime is 26600022467. The reversal of 26600022457 is 75422000662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17954928016 + 8645094441 = 133996^2 + 92979^2 .

It is a cyclic number.

It is not a de Polignac number, because 26600022457 - 2¹⁹ = 26599498169 is a prime.

It is a super-2 number, since 2×26600022457² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26600022467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13300011228 + 13300011229.

It is an arithmetic number, because the mean of its divisors is an integer number (13300011229).

Almost surely, 2^26600022457 is an apocalyptic number.

It is an amenable number.

26600022457 is a deficient number, since it is larger than the sum of its proper divisors (1).

26600022457 is an equidigital number, since it uses as much as digits as its factorization.

26600022457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 34.

The spelling of 26600022457 in words is "twenty-six billion, six hundred million, twenty-two thousand, four hundred fifty-seven".