487881144 has 40 divisors (see below), whose sum is σ = 1366520760. Its totient is φ = 162626832.

The previous prime is 487881143. The next prime is 487881187. The reversal of 487881144 is 441188784.

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 487881144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487881143) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 375804 + ... + 377099.

It is an arithmetic number, because the mean of its divisors is an integer number (34163019).

Almost surely, 2^487881144 is an apocalyptic number.

It is an amenable number.

487881144 is an abundant number, since it is smaller than the sum of its proper divisors (878639616).

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

487881144 is a wasteful number, since it uses less digits than its factorization.

487881144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 752921 (or 752908 counting only the distinct ones).

The product of its digits is 229376, while the sum is 45.

The square root of 487881144 is about 22088.0316913934. The cubic root of 487881144 is about 787.2355139020.

The spelling of 487881144 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, one hundred forty-four".