83205668 has 24 divisors (see below), whose sum is σ = 179212992. Its totient is φ = 32916384.

The previous prime is 83205659. The next prime is 83205691. The reversal of 83205668 is 86650238.

83205668 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

83205668 is strictly pandigital in base 9.

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, 113930 + ... + 114657.

It is an arithmetic number, because the mean of its divisors is an integer number (7467208).

Almost surely, 2^83205668 is an apocalyptic number.

It is an amenable number.

83205668 is an abundant number, since it is smaller than the sum of its proper divisors (96007324).

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

83205668 is a wasteful number, since it uses less digits than its factorization.

83205668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228611 (or 228609 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 83205668 is about 9121.7140933051. The cubic root of 83205668 is about 436.5670664847.

The spelling of 83205668 in words is "eighty-three million, two hundred five thousand, six hundred sixty-eight".