8538898647 has 8 divisors (see below), whose sum is σ = 11416913280. Its totient is φ = 5676741560.

The previous prime is 8538898639. The next prime is 8538898657. The reversal of 8538898647 is 7468988358.

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

It is a cyclic number.

It is not a de Polignac number, because 8538898647 - 2³ = 8538898639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8538898657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3963129 + ... + 3965282.

It is an arithmetic number, because the mean of its divisors is an integer number (1427114160).

Almost surely, 2^8538898647 is an apocalyptic number.

8538898647 is a deficient number, since it is larger than the sum of its proper divisors (2878014633).

8538898647 is a wasteful number, since it uses less digits than its factorization.

8538898647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7928773.

The product of its digits is 92897280, while the sum is 66.

The square root of 8538898647 is about 92406.1613043200. The cubic root of 8538898647 is about 2043.9359682116.

The spelling of 8538898647 in words is "eight billion, five hundred thirty-eight million, eight hundred ninety-eight thousand, six hundred forty-seven".