28893692004 has 48 divisors (see below), whose sum is σ = 67951665600. Its totient is φ = 9555235200.

The previous prime is 28893691999. The next prime is 28893692021. The reversal of 28893692004 is 40029639882.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569654 + ... + 1587954.

It is an arithmetic number, because the mean of its divisors is an integer number (1415659700).

Almost surely, 2^28893692004 is an apocalyptic number.

It is an amenable number.

28893692004 is an abundant number, since it is smaller than the sum of its proper divisors (39057973596).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28893692004 is a wasteful number, since it uses less digits than its factorization.

28893692004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19340 (or 19338 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 28893692004 in words is "twenty-eight billion, eight hundred ninety-three million, six hundred ninety-two thousand, four".