15724878848 has 132 divisors (see below), whose sum is σ = 36561548880. Its totient is φ = 6621069312.

The previous prime is 15724878779. The next prime is 15724878853. The reversal of 15724878848 is 84887842751.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100158386 + ... + 100158542.

Almost surely, 2^15724878848 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 15724878848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18280774440).

15724878848 is an abundant number, since it is smaller than the sum of its proper divisors (20836670032).

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

15724878848 is an frugal number, since it uses more digits than its factorization.

15724878848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430 (or 255 counting only the distinct ones).

The product of its digits is 32112640, while the sum is 62.

The spelling of 15724878848 in words is "fifteen billion, seven hundred twenty-four million, eight hundred seventy-eight thousand, eight hundred forty-eight".