8672345587 has 4 divisors (see below), whose sum is σ = 8672625256. Its totient is φ = 8672065920.

The previous prime is 8672345581. The next prime is 8672345653. The reversal of 8672345587 is 7855432768.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8672345587 - 2⁷ = 8672345459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8672345581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86553 + ... + 157594.

It is an arithmetic number, because the mean of its divisors is an integer number (2168156314).

Almost surely, 2^8672345587 is an apocalyptic number.

8672345587 is a deficient number, since it is larger than the sum of its proper divisors (279669).

8672345587 is a wasteful number, since it uses less digits than its factorization.

8672345587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279668.

The product of its digits is 11289600, while the sum is 55.

The square root of 8672345587 is about 93125.4293251849. The cubic root of 8672345587 is about 2054.5286034814.

The spelling of 8672345587 in words is "eight billion, six hundred seventy-two million, three hundred forty-five thousand, five hundred eighty-seven".