83575837 has 2 divisors, whose sum is σ = 83575838. Its totient is φ = 83575836.

The previous prime is 83575799. The next prime is 83575847. The reversal of 83575837 is 73857538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83557881 + 17956 = 9141^2 + 134^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83575837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83575847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41787918 + 41787919.

It is an arithmetic number, because the mean of its divisors is an integer number (41787919).

Almost surely, 2^83575837 is an apocalyptic number.

It is an amenable number.

83575837 is a deficient number, since it is larger than the sum of its proper divisors (1).

83575837 is an equidigital number, since it uses as much as digits as its factorization.

83575837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 705600, while the sum is 46.

The square root of 83575837 is about 9141.9821154933. The cubic root of 83575837 is about 437.2135149746.

The spelling of 83575837 in words is "eighty-three million, five hundred seventy-five thousand, eight hundred thirty-seven".