196373687 has 4 divisors (see below), whose sum is σ = 198398256. Its totient is φ = 194349120.

The previous prime is 196373677. The next prime is 196373699. The reversal of 196373687 is 786373691.

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

It is a cyclic number.

It is not a de Polignac number, because 196373687 - 2¹⁰ = 196372663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196373657) by changing a digit.

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, 1012139 + ... + 1012332.

It is an arithmetic number, because the mean of its divisors is an integer number (49599564).

Almost surely, 2^196373687 is an apocalyptic number.

196373687 is a deficient number, since it is larger than the sum of its proper divisors (2024569).

196373687 is an equidigital number, since it uses as much as digits as its factorization.

196373687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024568.

The product of its digits is 1143072, while the sum is 50.

The square root of 196373687 is about 14013.3396091010. The cubic root of 196373687 is about 581.2475001704.

The spelling of 196373687 in words is "one hundred ninety-six million, three hundred seventy-three thousand, six hundred eighty-seven".