86747217911 has 16 divisors (see below), whose sum is σ = 90638436000. Its totient is φ = 82938567168.

The previous prime is 86747217883. The next prime is 86747217917. The reversal of 86747217911 is 11971274768.

It is a cyclic number.

It is not a de Polignac number, because 86747217911 - 2¹⁸ = 86746955767 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 (86747217917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6649451 + ... + 6662483.

It is an arithmetic number, because the mean of its divisors is an integer number (5664902250).

Almost surely, 2^86747217911 is an apocalyptic number.

86747217911 is a deficient number, since it is larger than the sum of its proper divisors (3891218089).

86747217911 is a wasteful number, since it uses less digits than its factorization.

86747217911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16178.

The product of its digits is 1185408, while the sum is 53.

The spelling of 86747217911 in words is "eighty-six billion, seven hundred forty-seven million, two hundred seventeen thousand, nine hundred eleven".