26890008222798 has 40 divisors (see below), whose sum is σ = 68861185081392. Its totient is φ = 7682859491904.

The previous prime is 26890008222773. The next prime is 26890008222827. The reversal of 26890008222798 is 89722280009862.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 11856263515 + ... + 11856265782.

Almost surely, 2^{26890008222798} is an apocalyptic number.

26890008222798 is an abundant number, since it is smaller than the sum of its proper divisors (41971176858594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26890008222798 is a wasteful number, since it uses less digits than its factorization.

26890008222798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23712529318 (or 23712529309 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 63.

The spelling of 26890008222798 in words is "twenty-six trillion, eight hundred ninety billion, eight million, two hundred twenty-two thousand, seven hundred ninety-eight".