86318966 has 4 divisors (see below), whose sum is σ = 129478452. Its totient is φ = 43159482.

The previous prime is 86318959. The next prime is 86318971. The reversal of 86318966 is 66981368.

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

It is a self number, because there is not a number n which added to its sum of digits gives 86318966.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21579740 + ... + 21579743.

It is an arithmetic number, because the mean of its divisors is an integer number (32369613).

Almost surely, 2^86318966 is an apocalyptic number.

86318966 is a deficient number, since it is larger than the sum of its proper divisors (43159486).

86318966 is a wasteful number, since it uses less digits than its factorization.

86318966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43159485.

The product of its digits is 373248, while the sum is 47.

The square root of 86318966 is about 9290.8000731907. The cubic root of 86318966 is about 441.9455274352.

The spelling of 86318966 in words is "eighty-six million, three hundred eighteen thousand, nine hundred sixty-six".