83968351 has 2 divisors, whose sum is σ = 83968352. Its totient is φ = 83968350.

The previous prime is 83968349. The next prime is 83968393. The reversal of 83968351 is 15386938.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83968351 - 2¹ = 83968349 is a prime.

Together with 83968349, it forms a pair of twin primes.

It is a zygodrome in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 83968298 and 83968307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83968301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41984175 + 41984176.

It is an arithmetic number, because the mean of its divisors is an integer number (41984176).

Almost surely, 2^83968351 is an apocalyptic number.

83968351 is a deficient number, since it is larger than the sum of its proper divisors (1).

83968351 is an equidigital number, since it uses as much as digits as its factorization.

83968351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 83968351 is about 9163.4246327451. The cubic root of 83968351 is about 437.8969041424.

The spelling of 83968351 in words is "eighty-three million, nine hundred sixty-eight thousand, three hundred fifty-one".