478677146 has 16 divisors (see below), whose sum is σ = 760039200. Its totient is φ = 225471888.

The previous prime is 478677139. The next prime is 478677167. The reversal of 478677146 is 641776874.

It is a super-3 number, since 3×478677146³ (a number of 27 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 478677094 and 478677103.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28385 + ... + 41988.

It is an arithmetic number, because the mean of its divisors is an integer number (47502450).

Almost surely, 2^478677146 is an apocalyptic number.

478677146 is a deficient number, since it is larger than the sum of its proper divisors (281362054).

478677146 is a wasteful number, since it uses less digits than its factorization.

478677146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70573.

The product of its digits is 1580544, while the sum is 50.

The square root of 478677146 is about 21878.6915970768. The cubic root of 478677146 is about 782.2535889127.

The spelling of 478677146 in words is "four hundred seventy-eight million, six hundred seventy-seven thousand, one hundred forty-six".