28374054916 has 9 divisors (see below), whose sum is σ = 49655185671. Its totient is φ = 14186859012.

The previous prime is 28374054893. The next prime is 28374054971. The reversal of 28374054916 is 61945047382.

It is a happy number.

The square root of 28374054916 is 168446.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 28374054916.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 294781 + ... + 379003.

It is a 2-persistent number, because it is pandigital, and so is 2⋅28374054916 = 56748109832, but 3⋅28374054916 = 85122164748 is not.

Almost surely, 2^28374054916 is an apocalyptic number.

28374054916 is the 168446-th square number.

It is an amenable number.

28374054916 is a deficient number, since it is larger than the sum of its proper divisors (21281130755).

28374054916 is an frugal number, since it uses more digits than its factorization.

28374054916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168450 (or 84225 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

Multiplying 28374054916 by its sum of digits (49), we get a square (1390328690884 = 1179122²).

The spelling of 28374054916 in words is "twenty-eight billion, three hundred seventy-four million, fifty-four thousand, nine hundred sixteen".