8423657824 has 12 divisors (see below), whose sum is σ = 16584076404. Its totient is φ = 4211828896.

The previous prime is 8423657819. The next prime is 8423657831. The reversal of 8423657824 is 4287563248.

It is a super-2 number, since 2×8423657824² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131619622 + ... + 131619685.

It is an arithmetic number, because the mean of its divisors is an integer number (1382006367).

Almost surely, 2^8423657824 is an apocalyptic number.

It is an amenable number.

8423657824 is a deficient number, since it is larger than the sum of its proper divisors (8160418580).

8423657824 is a wasteful number, since it uses less digits than its factorization.

8423657824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263239317 (or 263239309 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 49.

The square root of 8423657824 is about 91780.4871636668. The cubic root of 8423657824 is about 2034.6993157876.

The spelling of 8423657824 in words is "eight billion, four hundred twenty-three million, six hundred fifty-seven thousand, eight hundred twenty-four".