86855334108 has 12 divisors (see below), whose sum is σ = 202662446280. Its totient is φ = 28951778032.

The previous prime is 86855334091. The next prime is 86855334133. The reversal of 86855334108 is 80143355868.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

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, 3618972243 + ... + 3618972266.

It is an arithmetic number, because the mean of its divisors is an integer number (16888537190).

Almost surely, 2^86855334108 is an apocalyptic number.

It is an amenable number.

86855334108 is an abundant number, since it is smaller than the sum of its proper divisors (115807112172).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

86855334108 is a wasteful number, since it uses less digits than its factorization.

86855334108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237944516 (or 7237944514 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 86855334108 in words is "eighty-six billion, eight hundred fifty-five million, three hundred thirty-four thousand, one hundred eight".