28827392525 has 6 divisors (see below), whose sum is σ = 35745966762. Its totient is φ = 23061914000.

The previous prime is 28827392509. The next prime is 28827392527. The reversal of 28827392525 is 52529372882.

It can be written as a sum of positive squares in 3 ways, for example, as 3634401796 + 25192990729 = 60286^2 + 158723^2 .

It is not a de Polignac number, because 28827392525 - 2⁴ = 28827392509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28827392527) 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 in 5 ways as a sum of consecutive naturals, for example, 576547826 + ... + 576547875.

It is an arithmetic number, because the mean of its divisors is an integer number (5957661127).

Almost surely, 2^28827392525 is an apocalyptic number.

28827392525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28827392525 is a deficient number, since it is larger than the sum of its proper divisors (6918574237).

28827392525 is a wasteful number, since it uses less digits than its factorization.

28827392525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153095711 (or 1153095706 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 28827392525 in words is "twenty-eight billion, eight hundred twenty-seven million, three hundred ninety-two thousand, five hundred twenty-five".