8587157872158 has 40 divisors (see below), whose sum is σ = 20254309998120. Its totient is φ = 2711734063920.

The previous prime is 8587157872151. The next prime is 8587157872159. The reversal of 8587157872158 is 8512787517858.

8587157872158 is a `hidden beast` number, since 8 + 587 + 15 + 7 + 8 + 7 + 21 + 5 + 8 = 666.

It is a super-2 number, since 2×8587157872158² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8587157872151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1394921853 + ... + 1394928008.

It is an arithmetic number, because the mean of its divisors is an integer number (506357749953).

Almost surely, 2^{8587157872158} is an apocalyptic number.

8587157872158 is an abundant number, since it is smaller than the sum of its proper divisors (11667152125962).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8587157872158 is a wasteful number, since it uses less digits than its factorization.

8587157872158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2789849894 (or 2789849885 counting only the distinct ones).

The product of its digits is 351232000, while the sum is 72.

The spelling of 8587157872158 in words is "eight trillion, five hundred eighty-seven billion, one hundred fifty-seven million, eight hundred seventy-two thousand, one hundred fifty-eight".