28374728704 has 171 divisors, whose sum is σ = 67448998263. Its totient is φ = 11901861888.

The previous prime is 28374728677. The next prime is 28374728731. The reversal of 28374728704 is 40782747382.

The square root of 28374728704 is 168448.

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

It is an interprime number because it is at equal distance from previous prime (28374728677) and next prime (28374728731).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 603717609 + ... + 603717655.

Almost surely, 2^28374728704 is an apocalyptic number.

28374728704 is the 168448-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28374728704

28374728704 is an abundant number, since it is smaller than the sum of its proper divisors (39074269559).

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

28374728704 is an frugal number, since it uses more digits than its factorization.

28374728704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 4214784, while the sum is 52.

The spelling of 28374728704 in words is "twenty-eight billion, three hundred seventy-four million, seven hundred twenty-eight thousand, seven hundred four".