82299860 has 24 divisors (see below), whose sum is σ = 173052936. Its totient is φ = 32877440.

The previous prime is 82299859. The next prime is 82299901. The reversal of 82299860 is 6899228.

It can be written as a sum of positive squares in 4 ways, for example, as 13675204 + 68624656 = 3698^2 + 8284^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16634 + ... + 21006.

It is an arithmetic number, because the mean of its divisors is an integer number (7210539).

Almost surely, 2^82299860 is an apocalyptic number.

It is an amenable number.

82299860 is an abundant number, since it is smaller than the sum of its proper divisors (90753076).

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

82299860 is a wasteful number, since it uses less digits than its factorization.

82299860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323 (or 5321 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 82299860 is about 9071.9270279252. The cubic root of 82299860 is about 434.9770719408.

The spelling of 82299860 in words is "eighty-two million, two hundred ninety-nine thousand, eight hundred sixty".