158587315873 has 8 divisors (see below), whose sum is σ = 181245217280. Its totient is φ = 135930057120.

The previous prime is 158587315819. The next prime is 158587315883. The reversal of 158587315873 is 378513785851.

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-158587315873 is a prime.

It is a super-3 number, since 3×158587315873³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158587315883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 622933 + ... + 839773.

It is an arithmetic number, because the mean of its divisors is an integer number (22655652160).

Almost surely, 2^158587315873 is an apocalyptic number.

It is an amenable number.

158587315873 is a deficient number, since it is larger than the sum of its proper divisors (22657901407).

158587315873 is a wasteful number, since it uses less digits than its factorization.

158587315873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321327.

The product of its digits is 28224000, while the sum is 61.

The spelling of 158587315873 in words is "one hundred fifty-eight billion, five hundred eighty-seven million, three hundred fifteen thousand, eight hundred seventy-three".