82556330 has 32 divisors (see below), whose sum is σ = 161827200. Its totient is φ = 30203712.

The previous prime is 82556321. The next prime is 82556333. The reversal of 82556330 is 3365528.

It is not an unprimeable number, because it can be changed into a prime (82556333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1982 + ... + 13001.

It is an arithmetic number, because the mean of its divisors is an integer number (5057100).

Almost surely, 2^82556330 is an apocalyptic number.

82556330 is a deficient number, since it is larger than the sum of its proper divisors (79270870).

82556330 is a wasteful number, since it uses less digits than its factorization.

82556330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15038.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 82556330 is about 9086.0513976094. The cubic root of 82556330 is about 435.4284412262.

The spelling of 82556330 in words is "eighty-two million, five hundred fifty-six thousand, three hundred thirty".