8423839704 has 96 divisors (see below), whose sum is σ = 25019297280. Its totient is φ = 2355587136.

The previous prime is 8423839693. The next prime is 8423839727. The reversal of 8423839704 is 4079383248.

It is a super-2 number, since 2×8423839704² (a number of 21 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 23 ways as a sum of consecutive naturals, for example, 20932 + ... + 131475.

It is an arithmetic number, because the mean of its divisors is an integer number (260617680).

Almost surely, 2^8423839704 is an apocalyptic number.

8423839704 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8423839704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12509648640).

8423839704 is an abundant number, since it is smaller than the sum of its proper divisors (16595457576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8423839704 is a wasteful number, since it uses less digits than its factorization.

8423839704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152477 (or 152466 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The square root of 8423839704 is about 91781.4780007383. The cubic root of 8423839704 is about 2034.7139598000.

The spelling of 8423839704 in words is "eight billion, four hundred twenty-three million, eight hundred thirty-nine thousand, seven hundred four".