478613766 has 8 divisors (see below), whose sum is σ = 957227544. Its totient is φ = 159537920.

The previous prime is 478613741. The next prime is 478613771. The reversal of 478613766 is 667316874.

It is a sphenic number, since it is the product of 3 distinct primes.

478613766 is an admirable number.

It is a super-2 number, since 2×478613766² = 458142274009405512, which contains 22 as substring.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 39884475 + ... + 39884486.

It is an arithmetic number, because the mean of its divisors is an integer number (119653443).

Almost surely, 2^478613766 is an apocalyptic number.

478613766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

478613766 is a wasteful number, since it uses less digits than its factorization.

478613766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79768966.

The product of its digits is 1016064, while the sum is 48.

The square root of 478613766 is about 21877.2431078507. The cubic root of 478613766 is about 782.2190622167.

The spelling of 478613766 in words is "four hundred seventy-eight million, six hundred thirteen thousand, seven hundred sixty-six".