82378863369 has 96 divisors (see below), whose sum is σ = 142215091200. Its totient is φ = 45389393280.

The previous prime is 82378863299. The next prime is 82378863383. The reversal of 82378863369 is 96336887328.

It is not a de Polignac number, because 82378863369 - 2¹¹ = 82378861321 is a prime.

It is a super-2 number, since 2×82378863369² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82378863769) 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 in 95 ways as a sum of consecutive naturals, for example, 9105162 + ... + 9114204.

It is an arithmetic number, because the mean of its divisors is an integer number (1481407200).

Almost surely, 2^82378863369 is an apocalyptic number.

It is an amenable number.

82378863369 is a deficient number, since it is larger than the sum of its proper divisors (59836227831).

82378863369 is a wasteful number, since it uses less digits than its factorization.

82378863369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9275 (or 9272 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 63.

The spelling of 82378863369 in words is "eighty-two billion, three hundred seventy-eight million, eight hundred sixty-three thousand, three hundred sixty-nine".