158608687 has 2 divisors, whose sum is σ = 158608688. Its totient is φ = 158608686.

The previous prime is 158608673. The next prime is 158608699. The reversal of 158608687 is 786806851.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 158608687 - 2¹¹ = 158606639 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 158608687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (158608187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79304343 + 79304344.

It is an arithmetic number, because the mean of its divisors is an integer number (79304344).

Almost surely, 2^158608687 is an apocalyptic number.

158608687 is a deficient number, since it is larger than the sum of its proper divisors (1).

158608687 is an equidigital number, since it uses as much as digits as its factorization.

158608687 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 49.

The square root of 158608687 is about 12593.9940844833. The cubic root of 158608687 is about 541.3053547953.

The spelling of 158608687 in words is "one hundred fifty-eight million, six hundred eight thousand, six hundred eighty-seven".