26678022131 has 2 divisors, whose sum is σ = 26678022132. Its totient is φ = 26678022130.

The previous prime is 26678022127. The next prime is 26678022179. The reversal of 26678022131 is 13122087662.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26678022131 - 2² = 26678022127 is a prime.

It is a super-2 number, since 2×26678022131² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26678022101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13339011065 + 13339011066.

It is an arithmetic number, because the mean of its divisors is an integer number (13339011066).

Almost surely, 2^26678022131 is an apocalyptic number.

26678022131 is a deficient number, since it is larger than the sum of its proper divisors (1).

26678022131 is an equidigital number, since it uses as much as digits as its factorization.

26678022131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The spelling of 26678022131 in words is "twenty-six billion, six hundred seventy-eight million, twenty-two thousand, one hundred thirty-one".