90876589 has 8 divisors (see below), whose sum is σ = 92651360. Its totient is φ = 89114256.

The previous prime is 90876571. The next prime is 90876613. The reversal of 90876589 is 98567809.

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 90876589 - 2⁹ = 90876077 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90876389) 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, 12382 + ... + 18304.

It is an arithmetic number, because the mean of its divisors is an integer number (11581420).

Almost surely, 2^90876589 is an apocalyptic number.

It is an amenable number.

90876589 is a deficient number, since it is larger than the sum of its proper divisors (1774771).

90876589 is a wasteful number, since it uses less digits than its factorization.

90876589 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6219.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 90876589 is about 9532.9213255958. The cubic root of 90876589 is about 449.5907208739.

The spelling of 90876589 in words is "ninety million, eight hundred seventy-six thousand, five hundred eighty-nine".