8325424638 has 24 divisors (see below), whose sum is σ = 18266757600. Its totient is φ = 2740012704.

The previous prime is 8325424621. The next prime is 8325424691. The reversal of 8325424638 is 8364245238.

8325424638 is a `hidden beast` number, since 8 + 3 + 2 + 5 + 4 + 2 + 4 + 638 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8325424593 and 8325424602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2925943 + ... + 2928786.

It is an arithmetic number, because the mean of its divisors is an integer number (761114900).

Almost surely, 2^8325424638 is an apocalyptic number.

8325424638 is an abundant number, since it is smaller than the sum of its proper divisors (9941332962).

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

8325424638 is a wasteful number, since it uses less digits than its factorization.

8325424638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5854816 (or 5854813 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 45.

The square root of 8325424638 is about 91243.7649267061. The cubic root of 8325424638 is about 2026.7590984229.

The spelling of 8325424638 in words is "eight billion, three hundred twenty-five million, four hundred twenty-four thousand, six hundred thirty-eight".