28056675625 has 60 divisors (see below), whose sum is σ = 39043564560. Its totient is φ = 19982740000.

The previous prime is 28056675607. The next prime is 28056675659. The reversal of 28056675625 is 52657665082.

It is not a de Polignac number, because 28056675625 - 2¹¹ = 28056673577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 106679244 + ... + 106679506.

It is an arithmetic number, because the mean of its divisors is an integer number (650726076).

Almost surely, 2^28056675625 is an apocalyptic number.

28056675625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28056675625 is a deficient number, since it is larger than the sum of its proper divisors (10986888935).

28056675625 is an frugal number, since it uses more digits than its factorization.

28056675625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 52.

The spelling of 28056675625 in words is "twenty-eight billion, fifty-six million, six hundred seventy-five thousand, six hundred twenty-five".