8091942071 has 4 divisors (see below), whose sum is σ = 8095539144. Its totient is φ = 8088345000.

The previous prime is 8091942049. The next prime is 8091942083. The reversal of 8091942071 is 1702491908.

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 8091942071 - 2¹⁰ = 8091941047 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 (8091942031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795160 + ... + 1799661.

It is an arithmetic number, because the mean of its divisors is an integer number (2023884786).

Almost surely, 2^8091942071 is an apocalyptic number.

8091942071 is a deficient number, since it is larger than the sum of its proper divisors (3597073).

8091942071 is a wasteful number, since it uses less digits than its factorization.

8091942071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597072.

The product of its (nonzero) digits is 36288, while the sum is 41.

The square root of 8091942071 is about 89955.2225887969. Note that the first 3 decimals coincide. The cubic root of 8091942071 is about 2007.6326733436.

The spelling of 8091942071 in words is "eight billion, ninety-one million, nine hundred forty-two thousand, seventy-one".