28229377182 has 16 divisors (see below), whose sum is σ = 56495649792. Its totient is φ = 9403643160.

The previous prime is 28229377123. The next prime is 28229377213. The reversal of 28229377182 is 28177392282.

It is a super-2 number, since 2×28229377182² (a number of 22 digits) contains 22 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1527358 + ... + 1545729.

It is an arithmetic number, because the mean of its divisors is an integer number (3530978112).

Almost surely, 2^28229377182 is an apocalyptic number.

28229377182 is an abundant number, since it is smaller than the sum of its proper divisors (28266272610).

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

28229377182 is a wasteful number, since it uses less digits than its factorization.

28229377182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3074623.

The product of its digits is 1354752, while the sum is 51.

The spelling of 28229377182 in words is "twenty-eight billion, two hundred twenty-nine million, three hundred seventy-seven thousand, one hundred eighty-two".