8917290144 has 72 divisors (see below), whose sum is σ = 28981199520. Its totient is φ = 2547796608.

The previous prime is 8917290073. The next prime is 8917290157. The reversal of 8917290144 is 4410927198.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a self number, because there is not a number n which added to its sum of digits gives 8917290144.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2209614 + ... + 2213645.

It is an arithmetic number, because the mean of its divisors is an integer number (402516660).

Almost surely, 2^8917290144 is an apocalyptic number.

8917290144 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

8917290144 is an abundant number, since it is smaller than the sum of its proper divisors (20063909376).

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

8917290144 is a wasteful number, since it uses less digits than its factorization.

8917290144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4423282 (or 4423271 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The square root of 8917290144 is about 94431.4044372951. The cubic root of 8917290144 is about 2073.6922243004.

The spelling of 8917290144 in words is "eight billion, nine hundred seventeen million, two hundred ninety thousand, one hundred forty-four".