8458664458 has 24 divisors (see below), whose sum is σ = 12897874080. Its totient is φ = 4160459160.

The previous prime is 8458664443. The next prime is 8458664477. The reversal of 8458664458 is 8544668548.

It is a happy number.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3880813 + ... + 3882991.

It is an arithmetic number, because the mean of its divisors is an integer number (537411420).

Almost surely, 2^8458664458 is an apocalyptic number.

8458664458 is a deficient number, since it is larger than the sum of its proper divisors (4439209622).

8458664458 is a wasteful number, since it uses less digits than its factorization.

8458664458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2650 (or 2571 counting only the distinct ones).

The product of its digits is 29491200, while the sum is 58.

The square root of 8458664458 is about 91970.9979178219. The cubic root of 8458664458 is about 2037.5139890291.

The spelling of 8458664458 in words is "eight billion, four hundred fifty-eight million, six hundred sixty-four thousand, four hundred fifty-eight".