486878717 has 4 divisors (see below), whose sum is σ = 524330940. Its totient is φ = 449426496.

The previous prime is 486878677. The next prime is 486878729. The reversal of 486878717 is 717878684.

It is a happy number.

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 283787716 + 203091001 = 16846^2 + 14251^2 .

It is a cyclic number.

It is not a de Polignac number, because 486878717 - 2¹² = 486874621 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 (486848717) 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, 18726092 + ... + 18726117.

It is an arithmetic number, because the mean of its divisors is an integer number (131082735).

Almost surely, 2^486878717 is an apocalyptic number.

It is an amenable number.

486878717 is a deficient number, since it is larger than the sum of its proper divisors (37452223).

486878717 is a wasteful number, since it uses less digits than its factorization.

486878717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37452222.

The product of its digits is 4214784, while the sum is 56.

The square root of 486878717 is about 22065.3283909395. The cubic root of 486878717 is about 786.6959786510.

The spelling of 486878717 in words is "four hundred eighty-six million, eight hundred seventy-eight thousand, seven hundred seventeen".