8388920963 has 4 divisors (see below), whose sum is σ = 8882386920. Its totient is φ = 7895455008.

The previous prime is 8388920933. The next prime is 8388920987. The reversal of 8388920963 is 3690298838.

8388920963 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8388920963 - 2¹⁶ = 8388855427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8388920899 and 8388920908.

It is not an unprimeable number, because it can be changed into a prime (8388920933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246732953 + ... + 246732986.

It is an arithmetic number, because the mean of its divisors is an integer number (2220596730).

Almost surely, 2^8388920963 is an apocalyptic number.

8388920963 is a deficient number, since it is larger than the sum of its proper divisors (493465957).

8388920963 is a wasteful number, since it uses less digits than its factorization.

8388920963 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493465956.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The square root of 8388920963 is about 91591.0528545229. The cubic root of 8388920963 is about 2031.8986146476.

The spelling of 8388920963 in words is "eight billion, three hundred eighty-eight million, nine hundred twenty thousand, nine hundred sixty-three".