479987544 has 16 divisors (see below), whose sum is σ = 1199968920. Its totient is φ = 159995840.

The previous prime is 479987513. The next prime is 479987549. The reversal of 479987544 is 445789974.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (479987549) 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 3 ways as a sum of consecutive naturals, for example, 9999717 + ... + 9999764.

Almost surely, 2^479987544 is an apocalyptic number.

It is an amenable number.

479987544 is an abundant number, since it is smaller than the sum of its proper divisors (719981376).

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

479987544 is a wasteful number, since it uses less digits than its factorization.

479987544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19999490 (or 19999486 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 57.

The square root of 479987544 is about 21908.6180303551. The cubic root of 479987544 is about 782.9667554542.

The spelling of 479987544 in words is "four hundred seventy-nine million, nine hundred eighty-seven thousand, five hundred forty-four".