28537926227 has 2 divisors, whose sum is σ = 28537926228. Its totient is φ = 28537926226.

The previous prime is 28537926187. The next prime is 28537926257. The reversal of 28537926227 is 72262973582.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28537926227 - 2²⁸ = 28269490771 is a prime.

It is not a weakly prime, because it can be changed into another prime (28537926257) 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, 14268963113 + 14268963114.

It is an arithmetic number, because the mean of its divisors is an integer number (14268963114).

Almost surely, 2^28537926227 is an apocalyptic number.

28537926227 is a deficient number, since it is larger than the sum of its proper divisors (1).

28537926227 is an equidigital number, since it uses as much as digits as its factorization.

28537926227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5080320, while the sum is 53.

The spelling of 28537926227 in words is "twenty-eight billion, five hundred thirty-seven million, nine hundred twenty-six thousand, two hundred twenty-seven".