8103991147 has 8 divisors (see below), whose sum is σ = 9266400000. Its totient is φ = 6942756264.

The previous prime is 8103991141. The next prime is 8103991153. The reversal of 8103991147 is 7411993018.

It is an interprime number because it is at equal distance from previous prime (8103991141) and next prime (8103991153).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8103991147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8103991141) 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, 278647 + ... + 306352.

It is an arithmetic number, because the mean of its divisors is an integer number (1158300000).

Almost surely, 2^8103991147 is an apocalyptic number.

8103991147 is a deficient number, since it is larger than the sum of its proper divisors (1162408853).

8103991147 is a wasteful number, since it uses less digits than its factorization.

8103991147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586985.

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 8103991147 is about 90022.1703082080. The cubic root of 8103991147 is about 2008.6286485923.

The spelling of 8103991147 in words is "eight billion, one hundred three million, nine hundred ninety-one thousand, one hundred forty-seven".