28083835325 has 24 divisors (see below), whose sum is σ = 42860256768. Its totient is φ = 17776140480.

The previous prime is 28083835319. The next prime is 28083835327. The reversal of 28083835325 is 52353838082.

It is not a de Polignac number, because 28083835325 - 2²⁸ = 27815399869 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28083835325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28083835327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6169997 + ... + 6174546.

It is an arithmetic number, because the mean of its divisors is an integer number (1785844032).

Almost surely, 2^28083835325 is an apocalyptic number.

28083835325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28083835325 is a deficient number, since it is larger than the sum of its proper divisors (14776421443).

28083835325 is a wasteful number, since it uses less digits than its factorization.

28083835325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12344573 (or 12344568 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 47.

The spelling of 28083835325 in words is "twenty-eight billion, eighty-three million, eight hundred thirty-five thousand, three hundred twenty-five".