875639089 has 8 divisors (see below), whose sum is σ = 944923392. Its totient is φ = 806630160.

The previous prime is 875639087. The next prime is 875639099. The reversal of 875639089 is 980936578.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 875639089 - 2¹ = 875639087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (875639087) 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, 62209 + ... + 74974.

It is an arithmetic number, because the mean of its divisors is an integer number (118115424).

Almost surely, 2^875639089 is an apocalyptic number.

It is an amenable number.

875639089 is a deficient number, since it is larger than the sum of its proper divisors (69284303).

875639089 is a wasteful number, since it uses less digits than its factorization.

875639089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137687.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 875639089 is about 29591.1995194517. The cubic root of 875639089 is about 956.6983981969.

The spelling of 875639089 in words is "eight hundred seventy-five million, six hundred thirty-nine thousand, eighty-nine".