159598598887 has 24 divisors (see below), whose sum is σ = 201511113216. Its totient is φ = 125281453248.

The previous prime is 159598598881. The next prime is 159598598899. The reversal of 159598598887 is 788895895951.

159598598887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-159598598887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159598598887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159598598881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 905508 + ... + 1067305.

It is an arithmetic number, because the mean of its divisors is an integer number (8396296384).

Almost surely, 2^159598598887 is an apocalyptic number.

159598598887 is a deficient number, since it is larger than the sum of its proper divisors (41912514329).

159598598887 is a wasteful number, since it uses less digits than its factorization.

159598598887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972967 (or 1972960 counting only the distinct ones).

The product of its digits is 2612736000, while the sum is 82.

The spelling of 159598598887 in words is "one hundred fifty-nine billion, five hundred ninety-eight million, five hundred ninety-eight thousand, eight hundred eighty-seven".