158987179 has 16 divisors (see below), whose sum is σ = 181742400. Its totient is φ = 137779200.

The previous prime is 158987177. The next prime is 158987203. The reversal of 158987179 is 971789851.

It is not a de Polignac number, because 158987179 - 2¹ = 158987177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158987177) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131779 + ... + 132979.

It is an arithmetic number, because the mean of its divisors is an integer number (11358900).

Almost surely, 2^158987179 is an apocalyptic number.

158987179 is a deficient number, since it is larger than the sum of its proper divisors (22755221).

158987179 is a wasteful number, since it uses less digits than its factorization.

158987179 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1830.

The product of its digits is 1270080, while the sum is 55.

The square root of 158987179 is about 12609.0118169506. The cubic root of 158987179 is about 541.7355897254.

The spelling of 158987179 in words is "one hundred fifty-eight million, nine hundred eighty-seven thousand, one hundred seventy-nine".