158585887 has 2 divisors, whose sum is σ = 158585888. Its totient is φ = 158585886.

The previous prime is 158585881. The next prime is 158585893. The reversal of 158585887 is 788585851.

It is a balanced prime because it is at equal distance from previous prime (158585881) and next prime (158585893).

It is a cyclic number.

It is not a de Polignac number, because 158585887 - 2³ = 158585879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158585881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79292943 + 79292944.

It is an arithmetic number, because the mean of its divisors is an integer number (79292944).

Almost surely, 2^158585887 is an apocalyptic number.

158585887 is a deficient number, since it is larger than the sum of its proper divisors (1).

158585887 is an equidigital number, since it uses as much as digits as its factorization.

158585887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3584000, while the sum is 55.

The square root of 158585887 is about 12593.0888585764. The cubic root of 158585887 is about 541.2794160027.

The spelling of 158585887 in words is "one hundred fifty-eight million, five hundred eighty-five thousand, eight hundred eighty-seven".