8718648466 has 12 divisors (see below), whose sum is σ = 14374962126. Its totient is φ = 3963021920.

The previous prime is 8718648409. The next prime is 8718648469. The reversal of 8718648466 is 6648468178.

It can be written as a sum of positive squares in only one way, i.e., 8114226241 + 604422225 = 90079^2 + 24585^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8718648466.

It is not an unprimeable number, because it can be changed into a prime (8718648469) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18013495 + ... + 18013978.

Almost surely, 2^8718648466 is an apocalyptic number.

8718648466 is a deficient number, since it is larger than the sum of its proper divisors (5656313660).

8718648466 is a wasteful number, since it uses less digits than its factorization.

8718648466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36027497 (or 36027486 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 58.

The square root of 8718648466 is about 93373.7032895237. The cubic root of 8718648466 is about 2058.1785881200.

The spelling of 8718648466 in words is "eight billion, seven hundred eighteen million, six hundred forty-eight thousand, four hundred sixty-six".