3681878199 has 8 divisors (see below), whose sum is σ = 4989649392. Its totient is φ = 2414346240.

The previous prime is 3681878131. The next prime is 3681878201. The reversal of 3681878199 is 9918781863.

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

It is not a de Polignac number, because 3681878199 - 2¹² = 3681874103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3681878099) 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 7 ways as a sum of consecutive naturals, for example, 10059594 + ... + 10059959.

It is an arithmetic number, because the mean of its divisors is an integer number (623706174).

Almost surely, 2^3681878199 is an apocalyptic number.

3681878199 is a deficient number, since it is larger than the sum of its proper divisors (1307771193).

3681878199 is a wasteful number, since it uses less digits than its factorization.

3681878199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20119617.

The product of its digits is 5225472, while the sum is 60.

The square root of 3681878199 is about 60678.4821744908. The cubic root of 3681878199 is about 1544.1511378926.

The spelling of 3681878199 in words is "three billion, six hundred eighty-one million, eight hundred seventy-eight thousand, one hundred ninety-nine".