487478670 has 64 divisors (see below), whose sum is σ = 1355443200. Its totient is φ = 109893888.

The previous prime is 487478657. The next prime is 487478711. The reversal of 487478670 is 76874784.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 570 + ... + 31229.

It is an arithmetic number, because the mean of its divisors is an integer number (21178800).

Almost surely, 2^487478670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 487478670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (677721600).

487478670 is an abundant number, since it is smaller than the sum of its proper divisors (867964530).

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

487478670 is a wasteful number, since it uses less digits than its factorization.

487478670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31889.

The product of its (nonzero) digits is 2107392, while the sum is 51.

The square root of 487478670 is about 22078.9191311531. The cubic root of 487478670 is about 787.0189796118.

The spelling of 487478670 in words is "four hundred eighty-seven million, four hundred seventy-eight thousand, six hundred seventy".