86347911 has 16 divisors (see below), whose sum is σ = 129378816. Its totient is φ = 50826336.

The previous prime is 86347909. The next prime is 86347931. The reversal of 86347911 is 11974368.

It is not a de Polignac number, because 86347911 - 2¹ = 86347909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 86347911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86347931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47235 + ... + 49028.

It is an arithmetic number, because the mean of its divisors is an integer number (8086176).

Almost surely, 2^86347911 is an apocalyptic number.

86347911 is a deficient number, since it is larger than the sum of its proper divisors (43030905).

86347911 is a wasteful number, since it uses less digits than its factorization.

86347911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96302.

The product of its digits is 36288, while the sum is 39.

The square root of 86347911 is about 9292.3576663837. The cubic root of 86347911 is about 441.9949205343.

The spelling of 86347911 in words is "eighty-six million, three hundred forty-seven thousand, nine hundred eleven".