28054223154 has 24 divisors (see below), whose sum is σ = 63035416080. Its totient is φ = 9351407556.

The previous prime is 28054223147. The next prime is 28054223177. The reversal of 28054223154 is 45132245082.

28054223154 is a `hidden beast` number, since 2 + 80 + 5 + 422 + 3 + 154 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28861884 + ... + 28862855.

It is an arithmetic number, because the mean of its divisors is an integer number (2626475670).

Almost surely, 2^28054223154 is an apocalyptic number.

28054223154 is an abundant number, since it is smaller than the sum of its proper divisors (34981192926).

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

28054223154 is an equidigital number, since it uses as much as digits as its factorization.

28054223154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57724756 (or 57724744 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 28054223154 in words is "twenty-eight billion, fifty-four million, two hundred twenty-three thousand, one hundred fifty-four".