3806778612147 has 8 divisors (see below), whose sum is σ = 5800805504256. Its totient is φ = 2175302064072.

The previous prime is 3806778612127. The next prime is 3806778612163. The reversal of 3806778612147 is 7412168776083.

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

It is not a de Polignac number, because 3806778612147 - 2⁷ = 3806778612019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3806778612127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90637585983 + ... + 90637586024.

It is an arithmetic number, because the mean of its divisors is an integer number (725100688032).

Almost surely, 2^{3806778612147} is an apocalyptic number.

3806778612147 is a deficient number, since it is larger than the sum of its proper divisors (1994026892109).

3806778612147 is a wasteful number, since it uses less digits than its factorization.

3806778612147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181275172017.

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 3806778612147 in words is "three trillion, eight hundred six billion, seven hundred seventy-eight million, six hundred twelve thousand, one hundred forty-seven".