8458864450 has 12 divisors (see below), whose sum is σ = 15733487970. Its totient is φ = 3383545760.

The previous prime is 8458864439. The next prime is 8458864481. The reversal of 8458864450 is 544688548.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 7229590729 + 1229273721 = 85027^2 + 35061^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84588595 + ... + 84588694.

Almost surely, 2^8458864450 is an apocalyptic number.

8458864450 is a deficient number, since it is larger than the sum of its proper divisors (7274623520).

8458864450 is a wasteful number, since it uses less digits than its factorization.

8458864450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169177301 (or 169177296 counting only the distinct ones).

The product of its (nonzero) digits is 4915200, while the sum is 52.

The square root of 8458864450 is about 91972.0851671854. The cubic root of 8458864450 is about 2037.5300468551.

The spelling of 8458864450 in words is "eight billion, four hundred fifty-eight million, eight hundred sixty-four thousand, four hundred fifty".