487839713 has 4 divisors (see below), whose sum is σ = 489738180. Its totient is φ = 485941248.

The previous prime is 487839691. The next prime is 487839727. The reversal of 487839713 is 317938784.

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

It can be written as a sum of positive squares in 2 ways, for example, as 457446544 + 30393169 = 21388^2 + 5513^2 .

It is a cyclic number.

It is not a de Polignac number, because 487839713 - 2¹⁸ = 487577569 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (487839733) 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 3 ways as a sum of consecutive naturals, for example, 948848 + ... + 949361.

It is an arithmetic number, because the mean of its divisors is an integer number (122434545).

Almost surely, 2^487839713 is an apocalyptic number.

It is an amenable number.

487839713 is a deficient number, since it is larger than the sum of its proper divisors (1898467).

487839713 is a wasteful number, since it uses less digits than its factorization.

487839713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898466.

The product of its digits is 1016064, while the sum is 50.

The square root of 487839713 is about 22087.0938106397. The cubic root of 487839713 is about 787.2132291862.

The spelling of 487839713 in words is "four hundred eighty-seven million, eight hundred thirty-nine thousand, seven hundred thirteen".