83851366 has 4 divisors (see below), whose sum is σ = 125777052. Its totient is φ = 41925682.

The previous prime is 83851363. The next prime is 83851367. The reversal of 83851366 is 66315838.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83851363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20962840 + ... + 20962843.

It is an arithmetic number, because the mean of its divisors is an integer number (31444263).

Almost surely, 2^83851366 is an apocalyptic number.

83851366 is a deficient number, since it is larger than the sum of its proper divisors (41925686).

83851366 is a wasteful number, since it uses less digits than its factorization.

83851366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41925685.

The product of its digits is 103680, while the sum is 40.

The square root of 83851366 is about 9157.0391502931. The cubic root of 83851366 is about 437.6934497964.

The spelling of 83851366 in words is "eighty-three million, eight hundred fifty-one thousand, three hundred sixty-six".