868443837382 has 32 divisors (see below), whose sum is σ = 1425291098400. Its totient is φ = 393580992000.

The previous prime is 868443837299. The next prime is 868443837403. The reversal of 868443837382 is 283738344868.

It is a happy number.

It is a super-2 number, since 2×868443837382² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 23952844 + ... + 23989072.

It is an arithmetic number, because the mean of its divisors is an integer number (44540346825).

Almost surely, 2^868443837382 is an apocalyptic number.

868443837382 is a deficient number, since it is larger than the sum of its proper divisors (556847261018).

868443837382 is a wasteful number, since it uses less digits than its factorization.

868443837382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39432.

The product of its digits is 148635648, while the sum is 64.

The spelling of 868443837382 in words is "eight hundred sixty-eight billion, four hundred forty-three million, eight hundred thirty-seven thousand, three hundred eighty-two".