158860587 has 8 divisors (see below), whose sum is σ = 213083136. Its totient is φ = 105272552.

The previous prime is 158860553. The next prime is 158860601. The reversal of 158860587 is 785068851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158860587 is a prime.

It is a super-2 number, since 2×158860587² = 50473372203969138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (158860187) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158043 + ... + 159044.

It is an arithmetic number, because the mean of its divisors is an integer number (26635392).

Almost surely, 2^158860587 is an apocalyptic number.

158860587 is a deficient number, since it is larger than the sum of its proper divisors (54222549).

158860587 is a wasteful number, since it uses less digits than its factorization.

158860587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317257.

The product of its (nonzero) digits is 537600, while the sum is 48.

The square root of 158860587 is about 12603.9909155791. The cubic root of 158860587 is about 541.5917676425.

The spelling of 158860587 in words is "one hundred fifty-eight million, eight hundred sixty thousand, five hundred eighty-seven".