28714338504 has 96 divisors (see below), whose sum is σ = 80327619840. Its totient is φ = 9256809600.

The previous prime is 28714338493. The next prime is 28714338551. The reversal of 28714338504 is 40583341782.

28714338504 is a `hidden beast` number, since 2 + 8 + 71 + 43 + 38 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28714338504.

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, 4753374 + ... + 4759410.

It is an arithmetic number, because the mean of its divisors is an integer number (836746040).

Almost surely, 2^28714338504 is an apocalyptic number.

28714338504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28714338504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40163809920).

28714338504 is an abundant number, since it is smaller than the sum of its proper divisors (51613281336).

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

28714338504 is a wasteful number, since it uses less digits than its factorization.

28714338504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8211 (or 8204 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 28714338504 in words is "twenty-eight billion, seven hundred fourteen million, three hundred thirty-eight thousand, five hundred four".