82485858 has 48 divisors (see below), whose sum is σ = 204175296. Its totient is φ = 21752640.

The previous prime is 82485841. The next prime is 82485899. The reversal of 82485858 is 85858428.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1288 + ... + 12908.

It is an arithmetic number, because the mean of its divisors is an integer number (4253652).

Almost surely, 2^82485858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82485858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102087648).

82485858 is an abundant number, since it is smaller than the sum of its proper divisors (121689438).

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

82485858 is a wasteful number, since it uses less digits than its factorization.

82485858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11659 (or 11646 counting only the distinct ones).

The product of its digits is 819200, while the sum is 48.

The square root of 82485858 is about 9082.1725374494. The cubic root of 82485858 is about 435.3045086800.

The spelling of 82485858 in words is "eighty-two million, four hundred eighty-five thousand, eight hundred fifty-eight".