83385668 has 6 divisors (see below), whose sum is σ = 145924926. Its totient is φ = 41692832.

The previous prime is 83385641. The next prime is 83385689. The reversal of 83385668 is 86658338.

It can be written as a sum of positive squares in only one way, i.e., 78287104 + 5098564 = 8848^2 + 2258^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10423205 + ... + 10423212.

It is an arithmetic number, because the mean of its divisors is an integer number (24320821).

Almost surely, 2^83385668 is an apocalyptic number.

It is an amenable number.

83385668 is a deficient number, since it is larger than the sum of its proper divisors (62539258).

83385668 is a wasteful number, since it uses less digits than its factorization.

83385668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20846421 (or 20846419 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The square root of 83385668 is about 9131.5753295913. The cubic root of 83385668 is about 436.8816503184.

The spelling of 83385668 in words is "eighty-three million, three hundred eighty-five thousand, six hundred sixty-eight".