83189071 has 16 divisors (see below), whose sum is σ = 96414208. Its totient is φ = 70308000.

The previous prime is 83189063. The next prime is 83189111. The reversal of 83189071 is 17098138.

It is not a de Polignac number, because 83189071 - 2³ = 83189063 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83189071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83186071) 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 15 ways as a sum of consecutive naturals, for example, 222841 + ... + 223213.

It is an arithmetic number, because the mean of its divisors is an integer number (6025888).

Almost surely, 2^83189071 is an apocalyptic number.

83189071 is a deficient number, since it is larger than the sum of its proper divisors (13225137).

83189071 is a wasteful number, since it uses less digits than its factorization.

83189071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742.

The product of its (nonzero) digits is 12096, while the sum is 37.

The square root of 83189071 is about 9120.8042956748. The cubic root of 83189071 is about 436.5380372707.

The spelling of 83189071 in words is "eighty-three million, one hundred eighty-nine thousand, seventy-one".