478677148 has 12 divisors (see below), whose sum is σ = 851883480. Its totient is φ = 235281872.

The previous prime is 478677139. The next prime is 478677167. The reversal of 478677148 is 841776874.

It is a junction number, because it is equal to n+sod(n) for n = 478677095 and 478677104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1013911 + ... + 1014382.

It is an arithmetic number, because the mean of its divisors is an integer number (70990290).

Almost surely, 2^478677148 is an apocalyptic number.

It is an amenable number.

478677148 is a deficient number, since it is larger than the sum of its proper divisors (373206332).

478677148 is a wasteful number, since it uses less digits than its factorization.

478677148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2028356 (or 2028354 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 52.

The square root of 478677148 is about 21878.6916427834. The cubic root of 478677148 is about 782.2535900021.

The spelling of 478677148 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, one hundred forty-eight".