86164706 has 4 divisors (see below), whose sum is σ = 129247062. Its totient is φ = 43082352.

The previous prime is 86164703. The next prime is 86164709. The reversal of 86164706 is 60746168.

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

It is an interprime number because it is at equal distance from previous prime (86164703) and next prime (86164709).

It can be written as a sum of positive squares in only one way, i.e., 71656225 + 14508481 = 8465^2 + 3809^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 86164706.

It is not an unprimeable number, because it can be changed into a prime (86164703) 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 as a sum of consecutive naturals, namely, 21541175 + ... + 21541178.

Almost surely, 2^86164706 is an apocalyptic number.

86164706 is a deficient number, since it is larger than the sum of its proper divisors (43082356).

86164706 is a wasteful number, since it uses less digits than its factorization.

86164706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43082355.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 86164706 is about 9282.4946000523. The cubic root of 86164706 is about 441.6821045670.

The spelling of 86164706 in words is "eighty-six million, one hundred sixty-four thousand, seven hundred six".