487065391 has 8 divisors (see below), whose sum is σ = 492303744. Its totient is φ = 481839960.

The previous prime is 487065379. The next prime is 487065409. The reversal of 487065391 is 193560784.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-487065391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (487065311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85296 + ... + 90826.

It is an arithmetic number, because the mean of its divisors is an integer number (61537968).

Almost surely, 2^487065391 is an apocalyptic number.

487065391 is a deficient number, since it is larger than the sum of its proper divisors (5238353).

487065391 is a wasteful number, since it uses less digits than its factorization.

487065391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6461.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 487065391 is about 22069.5580155109. The cubic root of 487065391 is about 786.7965080815.

The spelling of 487065391 in words is "four hundred eighty-seven million, sixty-five thousand, three hundred ninety-one".