86147722 has 4 divisors (see below), whose sum is σ = 129221586. Its totient is φ = 43073860.

The previous prime is 86147717. The next prime is 86147731. The reversal of 86147722 is 22774168.

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

It can be written as a sum of positive squares in only one way, i.e., 59923081 + 26224641 = 7741^2 + 5121^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21536929 + ... + 21536932.

Almost surely, 2^86147722 is an apocalyptic number.

86147722 is a deficient number, since it is larger than the sum of its proper divisors (43073864).

86147722 is a wasteful number, since it uses less digits than its factorization.

86147722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43073863.

The product of its digits is 37632, while the sum is 37.

The square root of 86147722 is about 9281.5797146822. The cubic root of 86147722 is about 441.6530825457.

The spelling of 86147722 in words is "eighty-six million, one hundred forty-seven thousand, seven hundred twenty-two".