26678022331 has 2 divisors, whose sum is σ = 26678022332. Its totient is φ = 26678022330.

The previous prime is 26678022323. The next prime is 26678022383. The reversal of 26678022331 is 13322087662.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26678022331 - 2³ = 26678022323 is a prime.

It is a super-2 number, since 2×26678022331² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26678022131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13339011165 + 13339011166.

It is an arithmetic number, because the mean of its divisors is an integer number (13339011166).

Almost surely, 2^26678022331 is an apocalyptic number.

26678022331 is a deficient number, since it is larger than the sum of its proper divisors (1).

26678022331 is an equidigital number, since it uses as much as digits as its factorization.

26678022331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 40.

The spelling of 26678022331 in words is "twenty-six billion, six hundred seventy-eight million, twenty-two thousand, three hundred thirty-one".