8459622738 has 162 divisors, whose sum is σ = 22641861879. Its totient is φ = 2275774704.

The previous prime is 8459622713. The next prime is 8459622751. The reversal of 8459622738 is 8372269548.

8459622738 is a `hidden beast` number, since 8 + 4 + 5 + 9 + 622 + 7 + 3 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4229811369 + 4229811369 = 65037^2 + 65037^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=65037.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 51899445 + ... + 51899607.

Almost surely, 2^8459622738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8459622738

8459622738 is an abundant number, since it is smaller than the sum of its proper divisors (14182239141).

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

8459622738 is a wasteful number, since it uses less digits than its factorization.

8459622738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386 (or 194 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 8459622738 is about 91976.2074560590. The cubic root of 8459622738 is about 2037.5909292753.

The spelling of 8459622738 in words is "eight billion, four hundred fifty-nine million, six hundred twenty-two thousand, seven hundred thirty-eight".