28167955814 has 8 divisors (see below), whose sum is σ = 42300895680. Its totient is φ = 14067657256.

The previous prime is 28167955807. The next prime is 28167955819. The reversal of 28167955814 is 41855976182.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28167955814.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28167955819) by changing a digit.

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, 8158169 + ... + 8161620.

It is an arithmetic number, because the mean of its divisors is an integer number (5287611960).

Almost surely, 2^28167955814 is an apocalyptic number.

28167955814 is a deficient number, since it is larger than the sum of its proper divisors (14132939866).

28167955814 is a wasteful number, since it uses less digits than its factorization.

28167955814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16320654.

The product of its digits is 4838400, while the sum is 56.

The spelling of 28167955814 in words is "twenty-eight billion, one hundred sixty-seven million, nine hundred fifty-five thousand, eight hundred fourteen".