478670842 has 16 divisors (see below), whose sum is σ = 789691392. Its totient is φ = 216223920.

The previous prime is 478670837. The next prime is 478670851. The reversal of 478670842 is 248076874.

It is a junction number, because it is equal to n+sod(n) for n = 478670792 and 478670801.

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, 194634 + ... + 197077.

It is an arithmetic number, because the mean of its divisors is an integer number (49355712).

Almost surely, 2^478670842 is an apocalyptic number.

478670842 is a deficient number, since it is larger than the sum of its proper divisors (311020550).

478670842 is a wasteful number, since it uses less digits than its factorization.

478670842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391773.

The product of its (nonzero) digits is 602112, while the sum is 46.

The square root of 478670842 is about 21878.5475294865. The cubic root of 478670842 is about 782.2501549013.

The spelling of 478670842 in words is "four hundred seventy-eight million, six hundred seventy thousand, eight hundred forty-two".