28889014164 has 12 divisors (see below), whose sum is σ = 67407699744. Its totient is φ = 9629671384.

The previous prime is 28889014159. The next prime is 28889014171. The reversal of 28889014164 is 46141098882.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203708912 + ... + 1203708935.

It is an arithmetic number, because the mean of its divisors is an integer number (5617308312).

Almost surely, 2^28889014164 is an apocalyptic number.

It is an amenable number.

28889014164 is an abundant number, since it is smaller than the sum of its proper divisors (38518685580).

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

28889014164 is a wasteful number, since it uses less digits than its factorization.

28889014164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2407417854 (or 2407417852 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 51.

The spelling of 28889014164 in words is "twenty-eight billion, eight hundred eighty-nine million, fourteen thousand, one hundred sixty-four".