82399953663 has 12 divisors (see below), whose sum is σ = 124197031920. Its totient is φ = 52544897856.

The previous prime is 82399953661. The next prime is 82399953667. The reversal of 82399953663 is 36635999328.

82399953663 is a `hidden beast` number, since 8 + 2 + 3 + 9 + 99 + 536 + 6 + 3 = 666.

It is not a de Polignac number, because 82399953663 - 2¹ = 82399953661 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82399953663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82399953661) 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 in 11 ways as a sum of consecutive naturals, for example, 199033498 + ... + 199033911.

It is an arithmetic number, because the mean of its divisors is an integer number (10349752660).

Almost surely, 2^82399953663 is an apocalyptic number.

82399953663 is a deficient number, since it is larger than the sum of its proper divisors (41797078257).

82399953663 is a wasteful number, since it uses less digits than its factorization.

82399953663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398067438 (or 398067435 counting only the distinct ones).

The product of its digits is 56687040, while the sum is 63.

The spelling of 82399953663 in words is "eighty-two billion, three hundred ninety-nine million, nine hundred fifty-three thousand, six hundred sixty-three".