86109273405 has 24 divisors (see below), whose sum is σ = 149264474112. Its totient is φ = 45922361184.

The previous prime is 86109273391. The next prime is 86109273427. The reversal of 86109273405 is 50437290168.

86109273405 is a `hidden beast` number, since 8 + 610 + 9 + 27 + 3 + 4 + 0 + 5 = 666.

It is not a de Polignac number, because 86109273405 - 2¹¹ = 86109271357 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 967492 + ... + 1052738.

It is an arithmetic number, because the mean of its divisors is an integer number (6219353088).

It is a 1-persistent number, because it is pandigital, but 2⋅86109273405 = 172218546810 is not.

Almost surely, 2^86109273405 is an apocalyptic number.

It is an amenable number.

86109273405 is a deficient number, since it is larger than the sum of its proper divisors (63155200707).

86109273405 is a wasteful number, since it uses less digits than its factorization.

86109273405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107705 (or 107702 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The spelling of 86109273405 in words is "eighty-six billion, one hundred nine million, two hundred seventy-three thousand, four hundred five".