86218478455 has 8 divisors (see below), whose sum is σ = 104771822400. Its totient is φ = 68101683936.

The previous prime is 86218478453. The next prime is 86218478501. The reversal of 86218478455 is 55487481268.

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

It is a cyclic number.

It is not a de Polignac number, because 86218478455 - 2¹ = 86218478453 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86218478455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86218478453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109136920 + ... + 109137709.

It is an arithmetic number, because the mean of its divisors is an integer number (13096477800).

Almost surely, 2^86218478455 is an apocalyptic number.

86218478455 is a deficient number, since it is larger than the sum of its proper divisors (18553343945).

86218478455 is a wasteful number, since it uses less digits than its factorization.

86218478455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218274713.

The product of its digits is 17203200, while the sum is 58.

The spelling of 86218478455 in words is "eighty-six billion, two hundred eighteen million, four hundred seventy-eight thousand, four hundred fifty-five".