8320772211 has 4 divisors (see below), whose sum is σ = 11094362952. Its totient is φ = 5547181472.

The previous prime is 8320772189. The next prime is 8320772231. The reversal of 8320772211 is 1122770238.

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 8320772211 - 2²⁵ = 8287217779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8320772231) 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, 1386795366 + ... + 1386795371.

It is an arithmetic number, because the mean of its divisors is an integer number (2773590738).

Almost surely, 2^8320772211 is an apocalyptic number.

8320772211 is a deficient number, since it is larger than the sum of its proper divisors (2773590741).

8320772211 is a wasteful number, since it uses less digits than its factorization.

8320772211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2773590740.

The product of its (nonzero) digits is 9408, while the sum is 33.

The square root of 8320772211 is about 91218.2668712797. The cubic root of 8320772211 is about 2026.3814958321.

The spelling of 8320772211 in words is "eight billion, three hundred twenty million, seven hundred seventy-two thousand, two hundred eleven".