8322763991 has 4 divisors (see below), whose sum is σ = 8328230232. Its totient is φ = 8317297752.

The previous prime is 8322763957. The next prime is 8322764003. The reversal of 8322763991 is 1993672238.

It is a happy number.

8322763991 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, and also an emirpimes, since its reverse is a distinct semiprime: 1993672238 = 2 ⋅996836119.

It is a cyclic number.

It is not a de Polignac number, because 8322763991 - 2⁶ = 8322763927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8322763921) 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 3 ways as a sum of consecutive naturals, for example, 2730836 + ... + 2733881.

It is an arithmetic number, because the mean of its divisors is an integer number (2082057558).

Almost surely, 2^8322763991 is an apocalyptic number.

8322763991 is a deficient number, since it is larger than the sum of its proper divisors (5466241).

8322763991 is a wasteful number, since it uses less digits than its factorization.

8322763991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5466240.

The product of its digits is 979776, while the sum is 50.

The square root of 8322763991 is about 91229.1838777482. The cubic root of 8322763991 is about 2026.5431708958.

The spelling of 8322763991 in words is "eight billion, three hundred twenty-two million, seven hundred sixty-three thousand, nine hundred ninety-one".