486665378 has 4 divisors (see below), whose sum is σ = 729998070. Its totient is φ = 243332688.

The previous prime is 486665363. The next prime is 486665383. The reversal of 486665378 is 873566684.

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

It can be written as a sum of positive squares in only one way, i.e., 299878489 + 186786889 = 17317^2 + 13667^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 121666343 + ... + 121666346.

Almost surely, 2^486665378 is an apocalyptic number.

486665378 is a deficient number, since it is larger than the sum of its proper divisors (243332692).

486665378 is a wasteful number, since it uses less digits than its factorization.

486665378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243332691.

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

The square root of 486665378 is about 22060.4936028186. The cubic root of 486665378 is about 786.5810578661.

The spelling of 486665378 in words is "four hundred eighty-six million, six hundred sixty-five thousand, three hundred seventy-eight".