487890252566 has 4 divisors (see below), whose sum is σ = 731835378852. Its totient is φ = 243945126282.

The previous prime is 487890252529. The next prime is 487890252569. The reversal of 487890252566 is 665252098784.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 487890252499 and 487890252508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487890252569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121972563140 + ... + 121972563143.

It is an arithmetic number, because the mean of its divisors is an integer number (182958844713).

Almost surely, 2^487890252566 is an apocalyptic number.

487890252566 is a deficient number, since it is larger than the sum of its proper divisors (243945126286).

487890252566 is a wasteful number, since it uses less digits than its factorization.

487890252566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243945126285.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 487890252566 in words is "four hundred eighty-seven billion, eight hundred ninety million, two hundred fifty-two thousand, five hundred sixty-six".