28063140188 has 12 divisors (see below), whose sum is σ = 49156789752. Its totient is φ = 14018343120.

The previous prime is 28063140179. The next prime is 28063140191. The reversal of 28063140188 is 88104136082.

It is a super-2 number, since 2×28063140188² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3301970 + ... + 3310457.

It is an arithmetic number, because the mean of its divisors is an integer number (4096399146).

Almost surely, 2^28063140188 is an apocalyptic number.

It is an amenable number.

28063140188 is a deficient number, since it is larger than the sum of its proper divisors (21093649564).

28063140188 is a wasteful number, since it uses less digits than its factorization.

28063140188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613492 (or 6613490 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The spelling of 28063140188 in words is "twenty-eight billion, sixty-three million, one hundred forty thousand, one hundred eighty-eight".