28446378182 has 16 divisors (see below), whose sum is σ = 43906326912. Its totient is φ = 13814047680.

The previous prime is 28446378161. The next prime is 28446378227. The reversal of 28446378182 is 28187364482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 759533 + ... + 796104.

It is an arithmetic number, because the mean of its divisors is an integer number (2744145432).

Almost surely, 2^28446378182 is an apocalyptic number.

28446378182 is a deficient number, since it is larger than the sum of its proper divisors (15459948730).

28446378182 is a wasteful number, since it uses less digits than its factorization.

28446378182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1555903.

The product of its digits is 4128768, while the sum is 53.

The spelling of 28446378182 in words is "twenty-eight billion, four hundred forty-six million, three hundred seventy-eight thousand, one hundred eighty-two".