478622685 has 16 divisors (see below), whose sum is σ = 775491840. Its totient is φ = 252033600.

The previous prime is 478622657. The next prime is 478622693. The reversal of 478622685 is 586226874.

It is not a de Polignac number, because 478622685 - 2⁶ = 478622621 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 200766 + ... + 203135.

It is an arithmetic number, because the mean of its divisors is an integer number (48468240).

Almost surely, 2^478622685 is an apocalyptic number.

It is an amenable number.

478622685 is a deficient number, since it is larger than the sum of its proper divisors (296869155).

478622685 is a wasteful number, since it uses less digits than its factorization.

478622685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403988.

The product of its digits is 1290240, while the sum is 48.

The square root of 478622685 is about 21877.4469488558. The cubic root of 478622685 is about 782.2239210883.

The spelling of 478622685 in words is "four hundred seventy-eight million, six hundred twenty-two thousand, six hundred eighty-five".