28863873632 has 48 divisors (see below), whose sum is σ = 62045911872. Its totient is φ = 13108475520.

The previous prime is 28863873629. The next prime is 28863873697. The reversal of 28863873632 is 23637836882.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374123 + ... + 444629.

It is an arithmetic number, because the mean of its divisors is an integer number (1292623164).

Almost surely, 2^28863873632 is an apocalyptic number.

28863873632 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

28863873632 is an abundant number, since it is smaller than the sum of its proper divisors (33182038240).

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

28863873632 is a wasteful number, since it uses less digits than its factorization.

28863873632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71691 (or 71683 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 56.

The spelling of 28863873632 in words is "twenty-eight billion, eight hundred sixty-three million, eight hundred seventy-three thousand, six hundred thirty-two".