159859887 has 8 divisors (see below), whose sum is σ = 232523520. Its totient is φ = 96884760.

The previous prime is 159859883. The next prime is 159859907. The reversal of 159859887 is 788958951.

159859887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 159859887 - 2² = 159859883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159859887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (159859883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2422087 + ... + 2422152.

It is an arithmetic number, because the mean of its divisors is an integer number (29065440).

Almost surely, 2^159859887 is an apocalyptic number.

159859887 is a deficient number, since it is larger than the sum of its proper divisors (72663633).

159859887 is a wasteful number, since it uses less digits than its factorization.

159859887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844253.

The product of its digits is 7257600, while the sum is 60.

The square root of 159859887 is about 12643.5709750054. The cubic root of 159859887 is about 542.7250082076.

The spelling of 159859887 in words is "one hundred fifty-nine million, eight hundred fifty-nine thousand, eight hundred eighty-seven".