487212885 has 12 divisors (see below), whose sum is σ = 844502412. Its totient is φ = 259846848.

The previous prime is 487212883. The next prime is 487212889. The reversal of 487212885 is 588212784.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 339517476 + 147695409 = 18426^2 + 12153^2 .

It is not a de Polignac number, because 487212885 - 2¹ = 487212883 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10826953 = 487212885 / (4 + 8 + 7 + 2 + 1 + 2 + 8 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 487212885.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487212883) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5413432 + ... + 5413521.

It is an arithmetic number, because the mean of its divisors is an integer number (70375201).

Almost surely, 2^487212885 is an apocalyptic number.

487212885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

487212885 is a deficient number, since it is larger than the sum of its proper divisors (357289527).

487212885 is a wasteful number, since it uses less digits than its factorization.

487212885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10826964 (or 10826961 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 487212885 is about 22072.8993337984. The cubic root of 487212885 is about 786.8759197679.

The spelling of 487212885 in words is "four hundred eighty-seven million, two hundred twelve thousand, eight hundred eighty-five".