86634717065818 has 8 divisors (see below), whose sum is σ = 130812685371360. Its totient is φ = 43030488608700.

The previous prime is 86634717065797. The next prime is 86634717065893. The reversal of 86634717065818 is 81856071743668.

86634717065818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×86634717065818² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143434961728 + ... + 143434962331.

It is an arithmetic number, because the mean of its divisors is an integer number (16351585671420).

Almost surely, 2^{86634717065818} is an apocalyptic number.

86634717065818 is a deficient number, since it is larger than the sum of its proper divisors (44177968305542).

86634717065818 is a wasteful number, since it uses less digits than its factorization.

86634717065818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286869924212.

The product of its (nonzero) digits is 325140480, while the sum is 70.

The spelling of 86634717065818 in words is "eighty-six trillion, six hundred thirty-four billion, seven hundred seventeen million, sixty-five thousand, eight hundred eighteen".