7718336864811 has 12 divisors (see below), whose sum is σ = 11149963416592. Its totient is φ = 5144978858256.

The previous prime is 7718336864807. The next prime is 7718336864857. The reversal of 7718336864811 is 1184686338177.

7718336864811 is a `hidden beast` number, since 7 + 71 + 8 + 3 + 3 + 6 + 86 + 481 + 1 = 666.

It is not a de Polignac number, because 7718336864811 - 2² = 7718336864807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7718336864881) 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 11 ways as a sum of consecutive naturals, for example, 48169876 + ... + 48329841.

Almost surely, 2^{7718336864811} is an apocalyptic number.

7718336864811 is a deficient number, since it is larger than the sum of its proper divisors (3431626551781).

7718336864811 is a wasteful number, since it uses less digits than its factorization.

7718336864811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96508610 (or 96508607 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 63.

The spelling of 7718336864811 in words is "seven trillion, seven hundred eighteen billion, three hundred thirty-six million, eight hundred sixty-four thousand, eight hundred eleven".