8948755217 has 4 divisors (see below), whose sum is σ = 8948994996. Its totient is φ = 8948515440.

The previous prime is 8948755187. The next prime is 8948755219. The reversal of 8948755217 is 7125578498.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7125578498 = 2 ⋅3562789249.

It can be written as a sum of positive squares in 2 ways, for example, as 7352033536 + 1596721681 = 85744^2 + 39959^2 .

It is a cyclic number.

It is not a de Polignac number, because 8948755217 - 2²⁴ = 8931978001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8948755219) 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, 50534 + ... + 143007.

It is an arithmetic number, because the mean of its divisors is an integer number (2237248749).

Almost surely, 2^8948755217 is an apocalyptic number.

It is an amenable number.

8948755217 is a deficient number, since it is larger than the sum of its proper divisors (239779).

8948755217 is a wasteful number, since it uses less digits than its factorization.

8948755217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239778.

The product of its digits is 5644800, while the sum is 56.

The square root of 8948755217 is about 94597.8605307752. The cubic root of 8948755217 is about 2076.1284009747.

The spelling of 8948755217 in words is "eight billion, nine hundred forty-eight million, seven hundred fifty-five thousand, two hundred seventeen".