83312837 has 2 divisors, whose sum is σ = 83312838. Its totient is φ = 83312836.

The previous prime is 83312819. The next prime is 83312839. The reversal of 83312837 is 73821338.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79316836 + 3996001 = 8906^2 + 1999^2 .

It is a cyclic number.

It is not a de Polignac number, because 83312837 - 2⁶ = 83312773 is a prime.

Together with 83312839, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 83312797 and 83312806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83312839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41656418 + 41656419.

It is an arithmetic number, because the mean of its divisors is an integer number (41656419).

Almost surely, 2^83312837 is an apocalyptic number.

It is an amenable number.

83312837 is a deficient number, since it is larger than the sum of its proper divisors (1).

83312837 is an equidigital number, since it uses as much as digits as its factorization.

83312837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 35.

The square root of 83312837 is about 9127.5865923036. The cubic root of 83312837 is about 436.7544190390.

The spelling of 83312837 in words is "eighty-three million, three hundred twelve thousand, eight hundred thirty-seven".