28025275275931 has 2 divisors, whose sum is σ = 28025275275932. Its totient is φ = 28025275275930.

The previous prime is 28025275275889. The next prime is 28025275275953. The reversal of 28025275275931 is 13957257252082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28025275275931 - 2³⁷ = 27887836322459 is a prime.

It is a super-2 number, since 2×28025275275931² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28025275275131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14012637637965 + 14012637637966.

It is an arithmetic number, because the mean of its divisors is an integer number (14012637637966).

Almost surely, 2^{28025275275931} is an apocalyptic number.

28025275275931 is a deficient number, since it is larger than the sum of its proper divisors (1).

28025275275931 is an equidigital number, since it uses as much as digits as its factorization.

28025275275931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168000, while the sum is 58.

The spelling of 28025275275931 in words is "twenty-eight trillion, twenty-five billion, two hundred seventy-five million, two hundred seventy-five thousand, nine hundred thirty-one".