8662489144 has 8 divisors (see below), whose sum is σ = 16242167160. Its totient is φ = 4331244568.

The previous prime is 8662489127. The next prime is 8662489153. The reversal of 8662489144 is 4419842668.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 8662489091 and 8662489100.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 541405564 + ... + 541405579.

It is an arithmetic number, because the mean of its divisors is an integer number (2030270895).

Almost surely, 2^8662489144 is an apocalyptic number.

It is an amenable number.

8662489144 is a deficient number, since it is larger than the sum of its proper divisors (7579678016).

8662489144 is a wasteful number, since it uses less digits than its factorization.

8662489144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1082811149 (or 1082811145 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 52.

The square root of 8662489144 is about 93072.4940248192. The cubic root of 8662489144 is about 2053.7499590546.

The spelling of 8662489144 in words is "eight billion, six hundred sixty-two million, four hundred eighty-nine thousand, one hundred forty-four".