28330015825 has 12 divisors (see below), whose sum is σ = 35131307008. Its totient is φ = 22662666000.

The previous prime is 28330015817. The next prime is 28330015933. The reversal of 28330015825 is 52851003382.

It is not a de Polignac number, because 28330015825 - 2³ = 28330015817 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 811684 + ... + 845866.

Almost surely, 2^28330015825 is an apocalyptic number.

28330015825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

28330015825 is a deficient number, since it is larger than the sum of its proper divisors (6801291183).

28330015825 is a wasteful number, since it uses less digits than its factorization.

28330015825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67344 (or 67339 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 28330015825 in words is "twenty-eight billion, three hundred thirty million, fifteen thousand, eight hundred twenty-five".