8047841945 has 32 divisors (see below), whose sum is σ = 11609668224. Its totient is φ = 5277081600.

The previous prime is 8047841929. The next prime is 8047841947. The reversal of 8047841945 is 5491487408.

It is not a de Polignac number, because 8047841945 - 2⁴ = 8047841929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8047841893 and 8047841902.

It is not an unprimeable number, because it can be changed into a prime (8047841947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100136 + ... + 161625.

It is an arithmetic number, because the mean of its divisors is an integer number (362802132).

Almost surely, 2^8047841945 is an apocalyptic number.

It is an amenable number.

8047841945 is a deficient number, since it is larger than the sum of its proper divisors (3561826279).

8047841945 is a wasteful number, since it uses less digits than its factorization.

8047841945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261833.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The square root of 8047841945 is about 89709.7650481819. The cubic root of 8047841945 is about 2003.9789076476.

The spelling of 8047841945 in words is "eight billion, forty-seven million, eight hundred forty-one thousand, nine hundred forty-five".