158572858587 has 64 divisors (see below), whose sum is σ = 264527617536. Its totient is φ = 83010447360.

The previous prime is 158572858583. The next prime is 158572858667. The reversal of 158572858587 is 785858275851.

It is not a de Polignac number, because 158572858587 - 2² = 158572858583 is a prime.

It is not an unprimeable number, because it can be changed into a prime (158572858583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1198848 + ... + 1324530.

It is an arithmetic number, because the mean of its divisors is an integer number (4133244024).

Almost surely, 2^158572858587 is an apocalyptic number.

158572858587 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

158572858587 is a deficient number, since it is larger than the sum of its proper divisors (105954758949).

158572858587 is a wasteful number, since it uses less digits than its factorization.

158572858587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125900.

The product of its digits is 250880000, while the sum is 69.

The spelling of 158572858587 in words is "one hundred fifty-eight billion, five hundred seventy-two million, eight hundred fifty-eight thousand, five hundred eighty-seven".