82816630 has 32 divisors (see below), whose sum is σ = 168991200. Its totient is φ = 28968192.

The previous prime is 82816621. The next prime is 82816631. The reversal of 82816630 is 3661828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82816631) 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, 14295 + ... + 19234.

It is an arithmetic number, because the mean of its divisors is an integer number (5280975).

Almost surely, 2^82816630 is an apocalyptic number.

82816630 is an abundant number, since it is smaller than the sum of its proper divisors (86174570).

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

82816630 is a wasteful number, since it uses less digits than its factorization.

82816630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33568.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 82816630 is about 9100.3642784231. The cubic root of 82816630 is about 435.8855961937.

The spelling of 82816630 in words is "eighty-two million, eight hundred sixteen thousand, six hundred thirty".