28315941902 has 16 divisors (see below), whose sum is σ = 42552287232. Its totient is φ = 14131865880.

The previous prime is 28315941883. The next prime is 28315941917. The reversal of 28315941902 is 20914951382.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4927643 + ... + 4933385.

It is an arithmetic number, because the mean of its divisors is an integer number (2659517952).

Almost surely, 2^28315941902 is an apocalyptic number.

28315941902 is a deficient number, since it is larger than the sum of its proper divisors (14236345330).

28315941902 is a wasteful number, since it uses less digits than its factorization.

28315941902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 28315941902 in words is "twenty-eight billion, three hundred fifteen million, nine hundred forty-one thousand, nine hundred two".