486478864 has 10 divisors (see below), whose sum is σ = 942552830. Its totient is φ = 243239424.

The previous prime is 486478841. The next prime is 486478873. The reversal of 486478864 is 468874684.

It can be written as a sum of positive squares in only one way, i.e., 475588864 + 10890000 = 21808^2 + 3300^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15202449 + ... + 15202480.

It is an arithmetic number, because the mean of its divisors is an integer number (94255283).

Almost surely, 2^486478864 is an apocalyptic number.

It is an amenable number.

486478864 is a deficient number, since it is larger than the sum of its proper divisors (456073966).

486478864 is a wasteful number, since it uses less digits than its factorization.

486478864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30404937 (or 30404931 counting only the distinct ones).

The product of its digits is 8257536, while the sum is 55.

The square root of 486478864 is about 22056.2658670955. The cubic root of 486478864 is about 786.4805595690.

The spelling of 486478864 in words is "four hundred eighty-six million, four hundred seventy-eight thousand, eight hundred sixty-four".