872585387587 has 8 divisors (see below), whose sum is σ = 935609054400. Its totient is φ = 810861177984.

The previous prime is 872585387573. The next prime is 872585387591. The reversal of 872585387587 is 785783585278.

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

It is not a de Polignac number, because 872585387587 - 2¹⁵ = 872585354819 is a prime.

It is a super-2 number, since 2×872585387587² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (872585387887) 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, 324862912 + ... + 324865597.

It is an arithmetic number, because the mean of its divisors is an integer number (116951131800).

Almost surely, 2^872585387587 is an apocalyptic number.

872585387587 is a deficient number, since it is larger than the sum of its proper divisors (63023666813).

872585387587 is a wasteful number, since it uses less digits than its factorization.

872585387587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649728605.

The product of its digits is 1053696000, while the sum is 73.

The spelling of 872585387587 in words is "eight hundred seventy-two billion, five hundred eighty-five million, three hundred eighty-seven thousand, five hundred eighty-seven".