8638422795 has 48 divisors (see below), whose sum is σ = 15579083520. Its totient is φ = 4591953504.

The previous prime is 8638422791. The next prime is 8638422811. The reversal of 8638422795 is 5972248368.

8638422795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8638422795 - 2² = 8638422791 is a prime.

It is a super-2 number, since 2×8638422795² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8638422791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 361426 + ... + 384584.

It is an arithmetic number, because the mean of its divisors is an integer number (324564240).

Almost surely, 2^8638422795 is an apocalyptic number.

8638422795 is a deficient number, since it is larger than the sum of its proper divisors (6940660725).

8638422795 is a wasteful number, since it uses less digits than its factorization.

8638422795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23486 (or 23474 counting only the distinct ones).

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

The square root of 8638422795 is about 92943.1159096789. The cubic root of 8638422795 is about 2051.8462681075.

The spelling of 8638422795 in words is "eight billion, six hundred thirty-eight million, four hundred twenty-two thousand, seven hundred ninety-five".