28851790188 has 36 divisors (see below), whose sum is σ = 72897723528. Its totient is φ = 8877473280.

The previous prime is 28851790169. The next prime is 28851790229. The reversal of 28851790188 is 88109715882.

It is a super-3 number, since 3×28851790188³ (a number of 32 digits) contains 333 as substring.

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, 7111333 + ... + 7115388.

Almost surely, 2^28851790188 is an apocalyptic number.

It is an amenable number.

28851790188 is an abundant number, since it is smaller than the sum of its proper divisors (44045933340).

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

28851790188 is a wasteful number, since it uses less digits than its factorization.

28851790188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14226754 (or 14226739 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 57.

The spelling of 28851790188 in words is "twenty-eight billion, eight hundred fifty-one million, seven hundred ninety thousand, one hundred eighty-eight".