8087561889 has 16 divisors (see below), whose sum is σ = 11767762944. Its totient is φ = 4899870800.

The previous prime is 8087561857. The next prime is 8087561891. The reversal of 8087561889 is 9881657808.

It is not a de Polignac number, because 8087561889 - 2⁵ = 8087561857 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8087561899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59224 + ... + 140294.

It is an arithmetic number, because the mean of its divisors is an integer number (735485184).

Almost surely, 2^8087561889 is an apocalyptic number.

It is an amenable number.

8087561889 is a deficient number, since it is larger than the sum of its proper divisors (3680201055).

8087561889 is a wasteful number, since it uses less digits than its factorization.

8087561889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84108.

The product of its (nonzero) digits is 7741440, while the sum is 60.

The square root of 8087561889 is about 89930.8728357509. The cubic root of 8087561889 is about 2007.2703629696.

The spelling of 8087561889 in words is "eight billion, eighty-seven million, five hundred sixty-one thousand, eight hundred eighty-nine".