28138644683182 has 16 divisors (see below), whose sum is σ = 46075978465200. Its totient is φ = 12781703168640.

The previous prime is 28138644683143. The next prime is 28138644683231.

28138644683182 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 429459957 + ... + 429525472.

It is an arithmetic number, because the mean of its divisors is an integer number (2879748654075).

Almost surely, 2^{28138644683182} is an apocalyptic number.

28138644683182 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28138644683182 is a deficient number, since it is larger than the sum of its proper divisors (17937333782018).

28138644683182 is a wasteful number, since it uses less digits than its factorization.

28138644683182 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858986931.

The product of its digits is 84934656, while the sum is 64.

The spelling of 28138644683182 in words is "twenty-eight trillion, one hundred thirty-eight billion, six hundred forty-four million, six hundred eighty-three thousand, one hundred eighty-two".