83871061 has 8 divisors (see below), whose sum is σ = 85153280. Its totient is φ = 82594512.

The previous prime is 83871059. The next prime is 83871079. The reversal of 83871061 is 16017838.

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 83871061 - 2¹ = 83871059 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 (83871001) 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, 35431 + ... + 37723.

It is an arithmetic number, because the mean of its divisors is an integer number (10644160).

Almost surely, 2^83871061 is an apocalyptic number.

It is an amenable number.

83871061 is a deficient number, since it is larger than the sum of its proper divisors (1282219).

83871061 is a wasteful number, since it uses less digits than its factorization.

83871061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2835.

The product of its (nonzero) digits is 8064, while the sum is 34.

The square root of 83871061 is about 9158.1144893477. The cubic root of 83871061 is about 437.7277155776.

Adding to 83871061 its reverse (16017838), we get a palindrome (99888899).

The spelling of 83871061 in words is "eighty-three million, eight hundred seventy-one thousand, sixty-one".