187020170002 has 8 divisors (see below), whose sum is σ = 280760768316. Its totient is φ = 93433247232.

The previous prime is 187020169969. The next prime is 187020170021. The reversal of 187020170002 is 200071020781.

It can be written as a sum of positive squares in 2 ways, for example, as 186469376041 + 550793961 = 431821^2 + 23469^2 .

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38415843 + ... + 38420710.

Almost surely, 2^187020170002 is an apocalyptic number.

187020170002 is a deficient number, since it is larger than the sum of its proper divisors (93740598314).

187020170002 is a wasteful number, since it uses less digits than its factorization.

187020170002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76837772.

The product of its (nonzero) digits is 1568, while the sum is 28.

Adding to 187020170002 its reverse (200071020781), we get a palindrome (387091190783).

The spelling of 187020170002 in words is "one hundred eighty-seven billion, twenty million, one hundred seventy thousand, two".