15728728714 has 8 divisors (see below), whose sum is σ = 23594519520. Its totient is φ = 7863888876.

The previous prime is 15728728693. The next prime is 15728728783. The reversal of 15728728714 is 41782782751.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194844 + ... + 263479.

It is an arithmetic number, because the mean of its divisors is an integer number (2949314940).

Almost surely, 2^15728728714 is an apocalyptic number.

15728728714 is a deficient number, since it is larger than the sum of its proper divisors (7865790806).

15728728714 is a wasteful number, since it uses less digits than its factorization.

15728728714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475484.

The product of its digits is 1756160, while the sum is 52.

The spelling of 15728728714 in words is "fifteen billion, seven hundred twenty-eight million, seven hundred twenty-eight thousand, seven hundred fourteen".