86240497855 has 4 divisors (see below), whose sum is σ = 103488597432. Its totient is φ = 68992398280.

The previous prime is 86240497831. The next prime is 86240497883. The reversal of 86240497855 is 55879404268.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 86240497855 - 2¹³ = 86240489663 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 86240497855.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8624049781 + ... + 8624049790.

It is an arithmetic number, because the mean of its divisors is an integer number (25872149358).

Almost surely, 2^86240497855 is an apocalyptic number.

86240497855 is a deficient number, since it is larger than the sum of its proper divisors (17248099577).

86240497855 is a wasteful number, since it uses less digits than its factorization.

86240497855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17248099576.

The product of its (nonzero) digits is 19353600, while the sum is 58.

The spelling of 86240497855 in words is "eighty-six billion, two hundred forty million, four hundred ninety-seven thousand, eight hundred fifty-five".