8644364358 has 32 divisors (see below), whose sum is σ = 19767711744. Its totient is φ = 2468672832.

The previous prime is 8644364303. The next prime is 8644364359. The reversal of 8644364358 is 8534634468.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 8644364358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8644364359) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 46066 + ... + 139322.

It is an arithmetic number, because the mean of its divisors is an integer number (617740992).

Almost surely, 2^8644364358 is an apocalyptic number.

8644364358 is an abundant number, since it is smaller than the sum of its proper divisors (11123347386).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8644364358 is a wasteful number, since it uses less digits than its factorization.

8644364358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95476.

The product of its digits is 6635520, while the sum is 51.

The square root of 8644364358 is about 92975.0738531570. The cubic root of 8644364358 is about 2052.3165846675.

The spelling of 8644364358 in words is "eight billion, six hundred forty-four million, three hundred sixty-four thousand, three hundred fifty-eight".