83871043 has 2 divisors, whose sum is σ = 83871044. Its totient is φ = 83871042.

The previous prime is 83871001. The next prime is 83871059. The reversal of 83871043 is 34017838.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83871043 - 2¹³ = 83862851 is a prime.

It is not a weakly prime, because it can be changed into another prime (83871083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41935521 + 41935522.

It is an arithmetic number, because the mean of its divisors is an integer number (41935522).

Almost surely, 2^83871043 is an apocalyptic number.

83871043 is a deficient number, since it is larger than the sum of its proper divisors (1).

83871043 is an equidigital number, since it uses as much as digits as its factorization.

83871043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 83871043 is about 9158.1135066126. The cubic root of 83871043 is about 437.7276842632.

The spelling of 83871043 in words is "eighty-three million, eight hundred seventy-one thousand, forty-three".