486378665 has 8 divisors (see below), whose sum is σ = 589109760. Its totient is φ = 385466032.

The previous prime is 486378637. The next prime is 486378667. The reversal of 486378665 is 566873684.

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

It is a cyclic number.

It is not a de Polignac number, because 486378665 - 2²⁰ = 485330089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (486378667) 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 7 ways as a sum of consecutive naturals, for example, 454025 + ... + 455094.

It is an arithmetic number, because the mean of its divisors is an integer number (73638720).

Almost surely, 2^486378665 is an apocalyptic number.

It is an amenable number.

486378665 is a deficient number, since it is larger than the sum of its proper divisors (102731095).

486378665 is a wasteful number, since it uses less digits than its factorization.

486378665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909231.

The product of its digits is 5806080, while the sum is 53.

The square root of 486378665 is about 22053.9943094216. The cubic root of 486378665 is about 786.4265592944.

The spelling of 486378665 in words is "four hundred eighty-six million, three hundred seventy-eight thousand, six hundred sixty-five".