28013282904 has 16 divisors (see below), whose sum is σ = 70033207320. Its totient is φ = 9337760960.

The previous prime is 28013282797. The next prime is 28013282953. The reversal of 28013282904 is 40928231082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 583610037 + ... + 583610084.

Almost surely, 2^28013282904 is an apocalyptic number.

28013282904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

28013282904 is an abundant number, since it is smaller than the sum of its proper divisors (42019924416).

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

28013282904 is a wasteful number, since it uses less digits than its factorization.

28013282904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167220130 (or 1167220126 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The spelling of 28013282904 in words is "twenty-eight billion, thirteen million, two hundred eighty-two thousand, nine hundred four".