487273128 has 96 divisors (see below), whose sum is σ = 1295030880. Its totient is φ = 152668800.

The previous prime is 487273103. The next prime is 487273223. The reversal of 487273128 is 821372784.

It is a self number, because there is not a number n which added to its sum of digits gives 487273128.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 853083 + ... + 853653.

It is an arithmetic number, because the mean of its divisors is an integer number (13489905).

Almost surely, 2^487273128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487273128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (647515440).

487273128 is an abundant number, since it is smaller than the sum of its proper divisors (807757752).

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

487273128 is a wasteful number, since it uses less digits than its factorization.

487273128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679 (or 644 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 487273128 is about 22074.2639288380. The cubic root of 487273128 is about 786.9083503637.

The spelling of 487273128 in words is "four hundred eighty-seven million, two hundred seventy-three thousand, one hundred twenty-eight".