158871887 has 2 divisors, whose sum is σ = 158871888. Its totient is φ = 158871886.

The previous prime is 158871809. The next prime is 158871893. The reversal of 158871887 is 788178851.

158871887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158871887 - 2⁸ = 158871631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158873887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79435943 + 79435944.

It is an arithmetic number, because the mean of its divisors is an integer number (79435944).

Almost surely, 2^158871887 is an apocalyptic number.

158871887 is a deficient number, since it is larger than the sum of its proper divisors (1).

158871887 is an equidigital number, since it uses as much as digits as its factorization.

158871887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1003520, while the sum is 53.

The square root of 158871887 is about 12604.4391783213. The cubic root of 158871887 is about 541.6046087589.

The spelling of 158871887 in words is "one hundred fifty-eight million, eight hundred seventy-one thousand, eight hundred eighty-seven".