86345867 has 4 divisors (see below), whose sum is σ = 86373936. Its totient is φ = 86317800.

The previous prime is 86345863. The next prime is 86345879. The reversal of 86345867 is 76854368.

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

It is a cyclic number.

It is not a de Polignac number, because 86345867 - 2² = 86345863 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86345863) 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 3 ways as a sum of consecutive naturals, for example, 8759 + ... + 15792.

It is an arithmetic number, because the mean of its divisors is an integer number (21593484).

Almost surely, 2^86345867 is an apocalyptic number.

86345867 is a deficient number, since it is larger than the sum of its proper divisors (28069).

86345867 is a wasteful number, since it uses less digits than its factorization.

86345867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28068.

The product of its digits is 967680, while the sum is 47.

The square root of 86345867 is about 9292.2476828806. The cubic root of 86345867 is about 441.9914329195.

The spelling of 86345867 in words is "eighty-six million, three hundred forty-five thousand, eight hundred sixty-seven".