82305880 has 32 divisors (see below), whose sum is σ = 185801040. Its totient is φ = 32813440.

The previous prime is 82305877. The next prime is 82305917. The reversal of 82305880 is 8850328.

It is a happy number.

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, 9435 + ... + 15925.

Almost surely, 2^82305880 is an apocalyptic number.

It is an amenable number.

82305880 is an abundant number, since it is smaller than the sum of its proper divisors (103495160).

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

82305880 is a wasteful number, since it uses less digits than its factorization.

82305880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6819 (or 6815 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 82305880 is about 9072.2588146503. The cubic root of 82305880 is about 434.9876774595.

The spelling of 82305880 in words is "eighty-two million, three hundred five thousand, eight hundred eighty".