83307643 has 2 divisors, whose sum is σ = 83307644. Its totient is φ = 83307642.

The previous prime is 83307619. The next prime is 83307659. The reversal of 83307643 is 34670338.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83307643 - 2¹³ = 83299451 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83307599 and 83307608.

It is not a weakly prime, because it can be changed into another prime (83307443) 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 as a sum of consecutive naturals, namely, 41653821 + 41653822.

It is an arithmetic number, because the mean of its divisors is an integer number (41653822).

Almost surely, 2^83307643 is an apocalyptic number.

83307643 is a deficient number, since it is larger than the sum of its proper divisors (1).

83307643 is an equidigital number, since it uses as much as digits as its factorization.

83307643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 83307643 is about 9127.3020657804. The cubic root of 83307643 is about 436.7453426082.

The spelling of 83307643 in words is "eighty-three million, three hundred seven thousand, six hundred forty-three".