83851066 has 32 divisors (see below), whose sum is σ = 143337600. Its totient is φ = 36469440.

The previous prime is 83851057. The next prime is 83851067. The reversal of 83851066 is 66015838.

It is not an unprimeable number, because it can be changed into a prime (83851067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132571 + ... + 133201.

It is an arithmetic number, because the mean of its divisors is an integer number (4479300).

Almost surely, 2^83851066 is an apocalyptic number.

83851066 is a deficient number, since it is larger than the sum of its proper divisors (59486534).

83851066 is a wasteful number, since it uses less digits than its factorization.

83851066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 83851066 is about 9157.0227694377. The cubic root of 83851066 is about 437.6929278086.

The spelling of 83851066 in words is "eighty-three million, eight hundred fifty-one thousand, sixty-six".