487881220 has 12 divisors (see below), whose sum is σ = 1024550604. Its totient is φ = 195152480.

The previous prime is 487881217. The next prime is 487881253. The reversal of 487881220 is 22188784.

It can be written as a sum of positive squares in 2 ways, for example, as 87160896 + 400720324 = 9336^2 + 20018^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12197011 + ... + 12197050.

It is an arithmetic number, because the mean of its divisors is an integer number (85379217).

Almost surely, 2^487881220 is an apocalyptic number.

It is an amenable number.

487881220 is an abundant number, since it is smaller than the sum of its proper divisors (536669384).

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

487881220 is a wasteful number, since it uses less digits than its factorization.

487881220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24394070 (or 24394068 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 487881220 is about 22088.0334117820. The cubic root of 487881220 is about 787.2355547793.

The spelling of 487881220 in words is "four hundred eighty-seven million, eight hundred eighty-one thousand, two hundred twenty".