487422861 has 8 divisors (see below), whose sum is σ = 688126464. Its totient is φ = 305833920.

The previous prime is 487422841. The next prime is 487422863. The reversal of 487422861 is 168224784.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-487422861 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487422863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4778605 + ... + 4778706.

It is an arithmetic number, because the mean of its divisors is an integer number (86015808).

Almost surely, 2^487422861 is an apocalyptic number.

It is an amenable number.

487422861 is a deficient number, since it is larger than the sum of its proper divisors (200703603).

487422861 is a wasteful number, since it uses less digits than its factorization.

487422861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9557331.

The product of its digits is 172032, while the sum is 42.

The square root of 487422861 is about 22077.6552423485. The cubic root of 487422861 is about 786.9889445072.

The spelling of 487422861 in words is "four hundred eighty-seven million, four hundred twenty-two thousand, eight hundred sixty-one".