8718905450 has 24 divisors (see below), whose sum is σ = 16523153388. Its totient is φ = 3421758080.

The previous prime is 8718905443. The next prime is 8718905501. The reversal of 8718905450 is 545098178.

It can be written as a sum of positive squares in 6 ways, for example, as 5164003321 + 3554902129 = 71861^2 + 59623^2 .

It is a junction number, because it is equal to n+sod(n) for n = 8718905395 and 8718905404.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1642427 + ... + 1647726.

Almost surely, 2^8718905450 is an apocalyptic number.

8718905450 is a deficient number, since it is larger than the sum of its proper divisors (7804247938).

8718905450 is a wasteful number, since it uses less digits than its factorization.

8718905450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290218 (or 3290213 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 47.

The square root of 8718905450 is about 93375.0793841697. The cubic root of 8718905450 is about 2058.1988096704.

The spelling of 8718905450 in words is "eight billion, seven hundred eighteen million, nine hundred five thousand, four hundred fifty".