8042872011 has 4 divisors (see below), whose sum is σ = 10723829352. Its totient is φ = 5361914672.

The previous prime is 8042872009. The next prime is 8042872031. The reversal of 8042872011 is 1102782408.

It is a happy number.

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 8042872011 - 2¹ = 8042872009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8042872031) 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, 1340478666 + ... + 1340478671.

It is an arithmetic number, because the mean of its divisors is an integer number (2680957338).

Almost surely, 2^8042872011 is an apocalyptic number.

8042872011 is a deficient number, since it is larger than the sum of its proper divisors (2680957341).

8042872011 is a wasteful number, since it uses less digits than its factorization.

8042872011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2680957340.

The product of its (nonzero) digits is 7168, while the sum is 33.

The square root of 8042872011 is about 89682.0606977783. The cubic root of 8042872011 is about 2003.5663045395.

The spelling of 8042872011 in words is "eight billion, forty-two million, eight hundred seventy-two thousand, eleven".