86218473786 has 8 divisors (see below), whose sum is σ = 172436947584. Its totient is φ = 28739491260.

The previous prime is 86218473767. The next prime is 86218473791. The reversal of 86218473786 is 68737481268.

It is a happy number.

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

86218473786 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 7184872810 + ... + 7184872821.

It is an arithmetic number, because the mean of its divisors is an integer number (21554618448).

Almost surely, 2^86218473786 is an apocalyptic number.

86218473786 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

86218473786 is a wasteful number, since it uses less digits than its factorization.

86218473786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14369745636.

The product of its digits is 21676032, while the sum is 60.

The spelling of 86218473786 in words is "eighty-six billion, two hundred eighteen million, four hundred seventy-three thousand, seven hundred eighty-six".