87195386 has 8 divisors (see below), whose sum is σ = 130832724. Its totient is φ = 43584480.

The previous prime is 87195379. The next prime is 87195391. The reversal of 87195386 is 68359178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 78872161 + 8323225 = 8881^2 + 2885^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 87195386.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9326 + ... + 16166.

Almost surely, 2^87195386 is an apocalyptic number.

87195386 is a deficient number, since it is larger than the sum of its proper divisors (43637338).

87195386 is a wasteful number, since it uses less digits than its factorization.

87195386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13216.

The product of its digits is 362880, while the sum is 47.

The square root of 87195386 is about 9337.8469681185. The cubic root of 87195386 is about 443.4362247602.

The spelling of 87195386 in words is "eighty-seven million, one hundred ninety-five thousand, three hundred eighty-six".