28282856700 has 72 divisors (see below), whose sum is σ = 93521986432. Its totient is φ = 6464652480.

The previous prime is 28282856627. The next prime is 28282856711. The reversal of 28282856700 is 765828282.

It is a super-2 number, since 2×28282856700² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 28282856700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6731914 + ... + 6736113.

Almost surely, 2^28282856700 is an apocalyptic number.

28282856700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28282856700 is an abundant number, since it is smaller than the sum of its proper divisors (65239129732).

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

28282856700 is a wasteful number, since it uses less digits than its factorization.

28282856700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13468051 (or 13468044 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 48.

The spelling of 28282856700 in words is "twenty-eight billion, two hundred eighty-two million, eight hundred fifty-six thousand, seven hundred".