478134654 has 8 divisors (see below), whose sum is σ = 956269320. Its totient is φ = 159378216.

The previous prime is 478134647. The next prime is 478134667. The reversal of 478134654 is 456431874.

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

478134654 is an admirable number.

It is a super-2 number, since 2×478134654² = 457225494711399432, which contains 22 as substring.

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39844549 + ... + 39844560.

It is an arithmetic number, because the mean of its divisors is an integer number (119533665).

Almost surely, 2^478134654 is an apocalyptic number.

478134654 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.

478134654 is a wasteful number, since it uses less digits than its factorization.

478134654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79689114.

The product of its digits is 322560, while the sum is 42.

The square root of 478134654 is about 21866.2903575344. The cubic root of 478134654 is about 781.9579639581.

The spelling of 478134654 in words is "four hundred seventy-eight million, one hundred thirty-four thousand, six hundred fifty-four".