159800087 has 2 divisors, whose sum is σ = 159800088. Its totient is φ = 159800086.

The previous prime is 159800059. The next prime is 159800117. The reversal of 159800087 is 780008951.

159800087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 159800087 - 2⁶ = 159800023 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 159800087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (159800027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79900043 + 79900044.

It is an arithmetic number, because the mean of its divisors is an integer number (79900044).

Almost surely, 2^159800087 is an apocalyptic number.

159800087 is a deficient number, since it is larger than the sum of its proper divisors (1).

159800087 is an equidigital number, since it uses as much as digits as its factorization.

159800087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 159800087 is about 12641.2059155763. The cubic root of 159800087 is about 542.6573260145.

The spelling of 159800087 in words is "one hundred fifty-nine million, eight hundred thousand, eighty-seven".