8638775153 has 8 divisors (see below), whose sum is σ = 8853293736. Its totient is φ = 8424438400.

The previous prime is 8638775147. The next prime is 8638775191. The reversal of 8638775153 is 3515778368.

It is a happy number.

8638775153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1952932864 + 6685842289 = 44192^2 + 81767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8638775153 is a prime.

It is a super-2 number, since 2×8638775153² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8638775095 and 8638775104.

It is not an unprimeable number, because it can be changed into a prime (8638775753) 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 7 ways as a sum of consecutive naturals, for example, 53375 + ... + 141867.

It is an arithmetic number, because the mean of its divisors is an integer number (1106661717).

Almost surely, 2^8638775153 is an apocalyptic number.

It is an amenable number.

8638775153 is a deficient number, since it is larger than the sum of its proper divisors (214518583).

8638775153 is a wasteful number, since it uses less digits than its factorization.

8638775153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90915.

The product of its digits is 4233600, while the sum is 53.

The square root of 8638775153 is about 92945.0114476296. The cubic root of 8638775153 is about 2051.8741657394.

The spelling of 8638775153 in words is "eight billion, six hundred thirty-eight million, seven hundred seventy-five thousand, one hundred fifty-three".