86194280687 has 4 divisors (see below), whose sum is σ = 86194878240. Its totient is φ = 86193683136.

The previous prime is 86194280671. The next prime is 86194280693. The reversal of 86194280687 is 78608249168.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 86194280687 - 2⁴ = 86194280671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86194285687) 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 3 ways as a sum of consecutive naturals, for example, 66239 + ... + 420447.

It is an arithmetic number, because the mean of its divisors is an integer number (21548719560).

Almost surely, 2^86194280687 is an apocalyptic number.

86194280687 is a deficient number, since it is larger than the sum of its proper divisors (597553).

86194280687 is a wasteful number, since it uses less digits than its factorization.

86194280687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597552.

The product of its (nonzero) digits is 9289728, while the sum is 59.

The spelling of 86194280687 in words is "eighty-six billion, one hundred ninety-four million, two hundred eighty thousand, six hundred eighty-seven".