8216007217 has 16 divisors (see below), whose sum is σ = 9069888960. Its totient is φ = 7380331200.

The previous prime is 8216007211. The next prime is 8216007251. The reversal of 8216007217 is 7127006128.

It is a happy number.

It is not a de Polignac number, because 8216007217 - 2³ = 8216007209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8216007211) 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 15 ways as a sum of consecutive naturals, for example, 438042 + ... + 456412.

It is an arithmetic number, because the mean of its divisors is an integer number (566868060).

Almost surely, 2^8216007217 is an apocalyptic number.

It is an amenable number.

8216007217 is a deficient number, since it is larger than the sum of its proper divisors (853881743).

8216007217 is a wasteful number, since it uses less digits than its factorization.

8216007217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18864.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 8216007217 is about 90642.1933593842. The cubic root of 8216007217 is about 2017.8409779371.

The spelling of 8216007217 in words is "eight billion, two hundred sixteen million, seven thousand, two hundred seventeen".