83357843 has 2 divisors, whose sum is σ = 83357844. Its totient is φ = 83357842.

The previous prime is 83357809. The next prime is 83357863. The reversal of 83357843 is 34875338.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83357843 - 2¹² = 83353747 is a prime.

It is a super-2 number, since 2×83357843² = 13897059979225298, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 83357843.

It is not a weakly prime, because it can be changed into another prime (83357863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41678921 + 41678922.

It is an arithmetic number, because the mean of its divisors is an integer number (41678922).

Almost surely, 2^83357843 is an apocalyptic number.

83357843 is a deficient number, since it is larger than the sum of its proper divisors (1).

83357843 is an equidigital number, since it uses as much as digits as its factorization.

83357843 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 41.

The square root of 83357843 is about 9130.0516427893. The cubic root of 83357843 is about 436.8330505026.

The spelling of 83357843 in words is "eighty-three million, three hundred fifty-seven thousand, eight hundred forty-three".