8423839694 has 16 divisors (see below), whose sum is σ = 13426330608. Its totient is φ = 3950147712.

The previous prime is 8423839693. The next prime is 8423839727. The reversal of 8423839694 is 4969383248.

It is a super-2 number, since 2×8423839694² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8423839693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 428117 + ... + 447360.

It is an arithmetic number, because the mean of its divisors is an integer number (839145663).

Almost surely, 2^8423839694 is an apocalyptic number.

8423839694 is a deficient number, since it is larger than the sum of its proper divisors (5002490914).

8423839694 is a wasteful number, since it uses less digits than its factorization.

8423839694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875779.

The product of its digits is 8957952, while the sum is 56.

The square root of 8423839694 is about 91781.4779462610. The cubic root of 8423839694 is about 2034.7139589949.

The spelling of 8423839694 in words is "eight billion, four hundred twenty-three million, eight hundred thirty-nine thousand, six hundred ninety-four".