8763945819 has 4 divisors (see below), whose sum is σ = 11685261096. Its totient is φ = 5842630544.

The previous prime is 8763945809. The next prime is 8763945821. The reversal of 8763945819 is 9185493678.

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 8763945819 - 2¹⁹ = 8763421531 is a prime.

It is a super-2 number, since 2×8763945819² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8763945809) 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, 1460657634 + ... + 1460657639.

It is an arithmetic number, because the mean of its divisors is an integer number (2921315274).

Almost surely, 2^8763945819 is an apocalyptic number.

8763945819 is a deficient number, since it is larger than the sum of its proper divisors (2921315277).

8763945819 is a wasteful number, since it uses less digits than its factorization.

8763945819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921315276.

The product of its digits is 13063680, while the sum is 60.

The square root of 8763945819 is about 93615.9485290834. The cubic root of 8763945819 is about 2061.7368249767.

The spelling of 8763945819 in words is "eight billion, seven hundred sixty-three million, nine hundred forty-five thousand, eight hundred nineteen".