28972616504 has 96 divisors (see below), whose sum is σ = 59868043200. Its totient is φ = 13066479360.

The previous prime is 28972616483. The next prime is 28972616549. The reversal of 28972616504 is 40561627982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106909889 + ... + 106910159.

It is an arithmetic number, because the mean of its divisors is an integer number (623625450).

Almost surely, 2^28972616504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28972616504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29934021600).

28972616504 is an abundant number, since it is smaller than the sum of its proper divisors (30895426696).

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

28972616504 is a wasteful number, since it uses less digits than its factorization.

28972616504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 28972616504 in words is "twenty-eight billion, nine hundred seventy-two million, six hundred sixteen thousand, five hundred four".