478368564 has 24 divisors (see below), whose sum is σ = 1152200448. Its totient is φ = 154312320.

The previous prime is 478368563. The next prime is 478368587. The reversal of 478368564 is 465863874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478368563) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 642597 + ... + 643340.

It is an arithmetic number, because the mean of its divisors is an integer number (48008352).

Almost surely, 2^478368564 is an apocalyptic number.

It is an amenable number.

478368564 is an abundant number, since it is smaller than the sum of its proper divisors (673831884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478368564 is a wasteful number, since it uses less digits than its factorization.

478368564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285975 (or 1285973 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 51.

The square root of 478368564 is about 21871.6383474124. The cubic root of 478368564 is about 782.0854580068.

The spelling of 478368564 in words is "four hundred seventy-eight million, three hundred sixty-eight thousand, five hundred sixty-four".