83868823 has 2 divisors, whose sum is σ = 83868824. Its totient is φ = 83868822.

The previous prime is 83868817. The next prime is 83868887. The reversal of 83868823 is 32886838.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83868823 - 2⁹ = 83868311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83868023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41934411 + 41934412.

It is an arithmetic number, because the mean of its divisors is an integer number (41934412).

Almost surely, 2^83868823 is an apocalyptic number.

83868823 is a deficient number, since it is larger than the sum of its proper divisors (1).

83868823 is an equidigital number, since it uses as much as digits as its factorization.

83868823 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 442368, while the sum is 46.

The square root of 83868823 is about 9157.9923018094. The cubic root of 83868823 is about 437.7238221276.

The spelling of 83868823 in words is "eighty-three million, eight hundred sixty-eight thousand, eight hundred twenty-three".