82403240399 has 2 divisors, whose sum is σ = 82403240400. Its totient is φ = 82403240398.

The previous prime is 82403240393. The next prime is 82403240411. The reversal of 82403240399 is 99304230428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82403240399 - 2⁴ = 82403240383 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82403240393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41201620199 + 41201620200.

It is an arithmetic number, because the mean of its divisors is an integer number (41201620200).

Almost surely, 2^82403240399 is an apocalyptic number.

82403240399 is a deficient number, since it is larger than the sum of its proper divisors (1).

82403240399 is an equidigital number, since it uses as much as digits as its factorization.

82403240399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 44.

The spelling of 82403240399 in words is "eighty-two billion, four hundred three million, two hundred forty thousand, three hundred ninety-nine".