487172860 has 36 divisors (see below), whose sum is σ = 1045388232. Its totient is φ = 190705696.

The previous prime is 487172857. The next prime is 487172909. The reversal of 487172860 is 68271784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38667 + ... + 49693.

It is an arithmetic number, because the mean of its divisors is an integer number (29038562).

Almost surely, 2^487172860 is an apocalyptic number.

It is an amenable number.

487172860 is an abundant number, since it is smaller than the sum of its proper divisors (558215372).

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

487172860 is a wasteful number, since it uses less digits than its factorization.

487172860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11130 (or 11081 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 43.

The square root of 487172860 is about 22071.9926603830. The cubic root of 487172860 is about 786.8543716438.

The spelling of 487172860 in words is "four hundred eighty-seven million, one hundred seventy-two thousand, eight hundred sixty".