195215882 has 8 divisors (see below), whose sum is σ = 293243652. Its totient is φ = 97468000.

The previous prime is 195215869. The next prime is 195215929. The reversal of 195215882 is 288512591.

It can be written as a sum of positive squares in 2 ways, for example, as 152300281 + 42915601 = 12341^2 + 6551^2 .

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

It is an unprimeable number.

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, 68219 + ... + 71022.

Almost surely, 2^195215882 is an apocalyptic number.

195215882 is a deficient number, since it is larger than the sum of its proper divisors (98027770).

195215882 is a wasteful number, since it uses less digits than its factorization.

195215882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139944.

The product of its digits is 57600, while the sum is 41.

The square root of 195215882 is about 13971.9677211193. The cubic root of 195215882 is about 580.1029167351.

The spelling of 195215882 in words is "one hundred ninety-five million, two hundred fifteen thousand, eight hundred eighty-two".