7020798217 has 8 divisors (see below), whose sum is σ = 7059177216. Its totient is φ = 6982505472.

The previous prime is 7020798209. The next prime is 7020798251. The reversal of 7020798217 is 7128970207.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7020798217 - 2³ = 7020798209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7020798517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145168 + ... + 187390.

It is an arithmetic number, because the mean of its divisors is an integer number (882397152).

Almost surely, 2^7020798217 is an apocalyptic number.

It is an amenable number.

7020798217 is a deficient number, since it is larger than the sum of its proper divisors (38378999).

7020798217 is a wasteful number, since it uses less digits than its factorization.

7020798217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43127.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 7020798217 is about 83790.2035860995. The cubic root of 7020798217 is about 1914.8238598909.

The spelling of 7020798217 in words is "seven billion, twenty million, seven hundred ninety-eight thousand, two hundred seventeen".