84589885 has 4 divisors (see below), whose sum is σ = 101507868. Its totient is φ = 67671904.

The previous prime is 84589871. The next prime is 84589891. The reversal of 84589885 is 58898548.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40220964 + 44368921 = 6342^2 + 6661^2 .

It is a cyclic number.

It is not a de Polignac number, because 84589885 - 2⁵ = 84589853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8458984 + ... + 8458993.

It is an arithmetic number, because the mean of its divisors is an integer number (25376967).

Almost surely, 2^84589885 is an apocalyptic number.

It is an amenable number.

84589885 is a deficient number, since it is larger than the sum of its proper divisors (16917983).

84589885 is a wasteful number, since it uses less digits than its factorization.

84589885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16917982.

The product of its digits is 3686400, while the sum is 55.

The square root of 84589885 is about 9197.2759554120. The cubic root of 84589885 is about 438.9746873393.

The spelling of 84589885 in words is "eighty-four million, five hundred eighty-nine thousand, eight hundred eighty-five".