26786974227 has 16 divisors (see below), whose sum is σ = 39357846528. Its totient is φ = 16100935200.

The previous prime is 26786974223. The next prime is 26786974229. The reversal of 26786974227 is 72247968762.

It is a happy number.

It is not a de Polignac number, because 26786974227 - 2² = 26786974223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26786974223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7984899 + ... + 7988252.

It is an arithmetic number, because the mean of its divisors is an integer number (2459865408).

Almost surely, 2^26786974227 is an apocalyptic number.

26786974227 is a deficient number, since it is larger than the sum of its proper divisors (12570872301).

26786974227 is a wasteful number, since it uses less digits than its factorization.

26786974227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973210.

The product of its digits is 28449792, while the sum is 60.

The spelling of 26786974227 in words is "twenty-six billion, seven hundred eighty-six million, nine hundred seventy-four thousand, two hundred twenty-seven".