478696864 has 12 divisors (see below), whose sum is σ = 942434514. Its totient is φ = 239348416.

The previous prime is 478696859. The next prime is 478696937. The reversal of 478696864 is 468696874.

It can be written as a sum of positive squares in only one way, i.e., 351187600 + 127509264 = 18740^2 + 11292^2 .

It is a junction number, because it is equal to n+sod(n) for n = 478696799 and 478696808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7479607 + ... + 7479670.

Almost surely, 2^478696864 is an apocalyptic number.

It is an amenable number.

478696864 is a deficient number, since it is larger than the sum of its proper divisors (463737650).

478696864 is a wasteful number, since it uses less digits than its factorization.

478696864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14959287 (or 14959279 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 58.

The square root of 478696864 is about 21879.1422135330. The cubic root of 478696864 is about 782.2643298088.

The spelling of 478696864 in words is "four hundred seventy-eight million, six hundred ninety-six thousand, eight hundred sixty-four".