478114786 has 4 divisors (see below), whose sum is σ = 717172182. Its totient is φ = 239057392.

The previous prime is 478114759. The next prime is 478114787. The reversal of 478114786 is 687411874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 687411874 = 2 ⋅343705937.

It can be written as a sum of positive squares in only one way, i.e., 393824025 + 84290761 = 19845^2 + 9181^2 .

It is not an unprimeable number, because it can be changed into a prime (478114787) by changing a digit.

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 as a sum of consecutive naturals, namely, 119528695 + ... + 119528698.

Almost surely, 2^478114786 is an apocalyptic number.

478114786 is a deficient number, since it is larger than the sum of its proper divisors (239057396).

478114786 is a wasteful number, since it uses less digits than its factorization.

478114786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239057395.

The product of its digits is 301056, while the sum is 46.

The square root of 478114786 is about 21865.8360462160. The cubic root of 478114786 is about 781.9471328698.

The spelling of 478114786 in words is "four hundred seventy-eight million, one hundred fourteen thousand, seven hundred eighty-six".