28375826800 has 60 divisors (see below), whose sum is σ = 71136987120. Its totient is φ = 10856834560.

The previous prime is 28375826783. The next prime is 28375826863. The reversal of 28375826800 is 862857382.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1532965 + ... + 1551364.

It is an arithmetic number, because the mean of its divisors is an integer number (1185616452).

Almost surely, 2^28375826800 is an apocalyptic number.

28375826800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28375826800 is an abundant number, since it is smaller than the sum of its proper divisors (42761160320).

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

28375826800 is a wasteful number, since it uses less digits than its factorization.

28375826800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3084370 (or 3084359 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 49.

The spelling of 28375826800 in words is "twenty-eight billion, three hundred seventy-five million, eight hundred twenty-six thousand, eight hundred".