8863116815 has 24 divisors (see below), whose sum is σ = 12910116960. Its totient is φ = 5813320128.

The previous prime is 8863116811. The next prime is 8863116839. The reversal of 8863116815 is 5186113688.

It is a happy number.

It is not a de Polignac number, because 8863116815 - 2² = 8863116811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8863116815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8863116811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 780800 + ... + 792069.

It is an arithmetic number, because the mean of its divisors is an integer number (537921540).

Almost surely, 2^8863116815 is an apocalyptic number.

8863116815 is a deficient number, since it is larger than the sum of its proper divisors (4047000145).

8863116815 is a wasteful number, since it uses less digits than its factorization.

8863116815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1572911 (or 1572904 counting only the distinct ones).

The product of its digits is 276480, while the sum is 47.

The square root of 8863116815 is about 94144.1278837932. The cubic root of 8863116815 is about 2069.4844037024.

The spelling of 8863116815 in words is "eight billion, eight hundred sixty-three million, one hundred sixteen thousand, eight hundred fifteen".