8768640211 has 4 divisors (see below), whose sum is σ = 8955207072. Its totient is φ = 8582073352.

The previous prime is 8768640149. The next prime is 8768640229. The reversal of 8768640211 is 1120468678.

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 8768640211 - 2²¹ = 8766543059 is a prime.

It is a super-2 number, since 2×8768640211² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8768640271) 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, 93283360 + ... + 93283453.

It is an arithmetic number, because the mean of its divisors is an integer number (2238801768).

Almost surely, 2^8768640211 is an apocalyptic number.

8768640211 is a deficient number, since it is larger than the sum of its proper divisors (186566861).

8768640211 is a wasteful number, since it uses less digits than its factorization.

8768640211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186566860.

The product of its (nonzero) digits is 129024, while the sum is 43.

The square root of 8768640211 is about 93641.0177806713. The cubic root of 8768640211 is about 2062.1048811569.

The spelling of 8768640211 in words is "eight billion, seven hundred sixty-eight million, six hundred forty thousand, two hundred eleven".