487250817 has 8 divisors (see below), whose sum is σ = 667226496. Its totient is φ = 316054512.

The previous prime is 487250773. The next prime is 487250831. The reversal of 487250817 is 718052784.

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-487250817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (487250887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194713 + ... + 2194934.

It is an arithmetic number, because the mean of its divisors is an integer number (83403312).

Almost surely, 2^487250817 is an apocalyptic number.

It is an amenable number.

487250817 is a deficient number, since it is larger than the sum of its proper divisors (179975679).

487250817 is a wasteful number, since it uses less digits than its factorization.

487250817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4389687.

The product of its (nonzero) digits is 125440, while the sum is 42.

The square root of 487250817 is about 22073.7585607889. The cubic root of 487250817 is about 786.8963400015.

The spelling of 487250817 in words is "four hundred eighty-seven million, two hundred fifty thousand, eight hundred seventeen".