86799948517 has 32 divisors (see below), whose sum is σ = 95154768000. Its totient is φ = 78863984640.

The previous prime is 86799948511. The next prime is 86799948553. The reversal of 86799948517 is 71584999768.

It is a cyclic number.

It is not a de Polignac number, because 86799948517 - 2¹¹ = 86799946469 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86799948517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86799948511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63775917 + ... + 63777277.

It is an arithmetic number, because the mean of its divisors is an integer number (2973586500).

Almost surely, 2^86799948517 is an apocalyptic number.

It is an amenable number.

86799948517 is a deficient number, since it is larger than the sum of its proper divisors (8354819483).

86799948517 is a wasteful number, since it uses less digits than its factorization.

86799948517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its digits is 274337280, while the sum is 73.

The spelling of 86799948517 in words is "eighty-six billion, seven hundred ninety-nine million, nine hundred forty-eight thousand, five hundred seventeen".