8067542217 has 16 divisors (see below), whose sum is σ = 12319736832. Its totient is φ = 4600146960.

The previous prime is 8067542209. The next prime is 8067542297. The reversal of 8067542217 is 7122457608.

It is not a de Polignac number, because 8067542217 - 2³ = 8067542209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8067542297) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 401509 + ... + 421122.

It is an arithmetic number, because the mean of its divisors is an integer number (769983552).

Almost surely, 2^8067542217 is an apocalyptic number.

It is an amenable number.

8067542217 is a deficient number, since it is larger than the sum of its proper divisors (4252194615).

8067542217 is a wasteful number, since it uses less digits than its factorization.

8067542217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823108.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 8067542217 is about 89819.4979778890. The cubic root of 8067542217 is about 2005.6127518568.

The spelling of 8067542217 in words is "eight billion, sixty-seven million, five hundred forty-two thousand, two hundred seventeen".