83983871 has 8 divisors (see below), whose sum is σ = 85322160. Its totient is φ = 82654528.

The previous prime is 83983843. The next prime is 83983891. The reversal of 83983871 is 17838938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83983871 - 2¹⁸ = 83721727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83983891) 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 in 7 ways as a sum of consecutive naturals, for example, 18125 + ... + 22281.

It is an arithmetic number, because the mean of its divisors is an integer number (10665270).

Almost surely, 2^83983871 is an apocalyptic number.

83983871 is a deficient number, since it is larger than the sum of its proper divisors (1338289).

83983871 is a wasteful number, since it uses less digits than its factorization.

83983871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473.

The product of its digits is 290304, while the sum is 47.

The square root of 83983871 is about 9164.2714385815. The cubic root of 83983871 is about 437.9238815341.

The spelling of 83983871 in words is "eighty-three million, nine hundred eighty-three thousand, eight hundred seventy-one".