8044657318 has 16 divisors (see below), whose sum is σ = 12131636400. Its totient is φ = 4000802400.

The previous prime is 8044657277. The next prime is 8044657319. The reversal of 8044657318 is 8137564408.

It is a happy number.

It is a super-2 number, since 2×8044657318² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8044657319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 817588 + ... + 827368.

It is an arithmetic number, because the mean of its divisors is an integer number (758227275).

Almost surely, 2^8044657318 is an apocalyptic number.

8044657318 is a deficient number, since it is larger than the sum of its proper divisors (4086979082).

8044657318 is a wasteful number, since it uses less digits than its factorization.

8044657318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943.

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 8044657318 is about 89692.0136801488. The cubic root of 8044657318 is about 2003.7145399919.

The spelling of 8044657318 in words is "eight billion, forty-four million, six hundred fifty-seven thousand, three hundred eighteen".