86705087384 has 32 divisors (see below), whose sum is σ = 169669969920. Its totient is φ = 41460419616.

The previous prime is 86705087317. The next prime is 86705087411. The reversal of 86705087384 is 48378050768.

It is a happy number.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1103369 + ... + 1179335.

It is an arithmetic number, because the mean of its divisors is an integer number (5302186560).

Almost surely, 2^86705087384 is an apocalyptic number.

It is an amenable number.

86705087384 is a deficient number, since it is larger than the sum of its proper divisors (82964882536).

86705087384 is a wasteful number, since it uses less digits than its factorization.

86705087384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82199 (or 82195 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 56.

The spelling of 86705087384 in words is "eighty-six billion, seven hundred five million, eighty-seven thousand, three hundred eighty-four".