28113288230 has 8 divisors (see below), whose sum is σ = 50603918832. Its totient is φ = 11245315288.

The previous prime is 28113288221. The next prime is 28113288251. The reversal of 28113288230 is 3288231182.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×28113288230³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1405664402 + ... + 1405664421.

It is an arithmetic number, because the mean of its divisors is an integer number (6325489854).

Almost surely, 2^28113288230 is an apocalyptic number.

28113288230 is a deficient number, since it is larger than the sum of its proper divisors (22490630602).

28113288230 is a wasteful number, since it uses less digits than its factorization.

28113288230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811328830.

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 28113288230 in words is "twenty-eight billion, one hundred thirteen million, two hundred eighty-eight thousand, two hundred thirty".