15889428209798 has 64 divisors (see below), whose sum is σ = 28756477854720. Its totient is φ = 6488590425600.

The previous prime is 15889428209783. The next prime is 15889428209813. The reversal of 15889428209798 is 89790282498851.

15889428209798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (15889428209783) and next prime (15889428209813).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895763 + ... + 5707998.

It is an arithmetic number, because the mean of its divisors is an integer number (449319966480).

Almost surely, 2^{15889428209798} is an apocalyptic number.

15889428209798 is a deficient number, since it is larger than the sum of its proper divisors (12867049644922).

15889428209798 is a wasteful number, since it uses less digits than its factorization.

15889428209798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6604013.

The product of its (nonzero) digits is 1672151040, while the sum is 80.

The spelling of 15889428209798 in words is "fifteen trillion, eight hundred eighty-nine billion, four hundred twenty-eight million, two hundred nine thousand, seven hundred ninety-eight".