84975828 has 96 divisors (see below), whose sum is σ = 245145600. Its totient is φ = 22363776.

The previous prime is 84975811. The next prime is 84975833. The reversal of 84975828 is 82857948.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58333 + ... + 59771.

It is an arithmetic number, because the mean of its divisors is an integer number (2553600).

Almost surely, 2^84975828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84975828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122572800).

84975828 is an abundant number, since it is smaller than the sum of its proper divisors (160169772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

84975828 is a wasteful number, since it uses less digits than its factorization.

84975828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1507 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 51.

The square root of 84975828 is about 9218.2334533250. The cubic root of 84975828 is about 439.6412847676.

The spelling of 84975828 in words is "eighty-four million, nine hundred seventy-five thousand, eight hundred twenty-eight".