28566071700 has 36 divisors (see below), whose sum is σ = 82651168320. Its totient is φ = 7617619040.

The previous prime is 28566071689. The next prime is 28566071717. The reversal of 28566071700 is 717066582.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 47609820 + ... + 47610419.

Almost surely, 2^28566071700 is an apocalyptic number.

28566071700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28566071700 is an abundant number, since it is smaller than the sum of its proper divisors (54085096620).

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

28566071700 is a wasteful number, since it uses less digits than its factorization.

28566071700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95220256 (or 95220249 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The spelling of 28566071700 in words is "twenty-eight billion, five hundred sixty-six million, seventy-one thousand, seven hundred".