478378713 has 12 divisors (see below), whose sum is σ = 671640560. Its totient is φ = 302029632.

The previous prime is 478378699. The next prime is 478378729. The reversal of 478378713 is 317873874.

It is a happy number.

It is not a de Polignac number, because 478378713 - 2⁴ = 478378697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478378783) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163681 + ... + 166577.

Almost surely, 2^478378713 is an apocalyptic number.

It is an amenable number.

478378713 is a deficient number, since it is larger than the sum of its proper divisors (193261847).

478378713 is an frugal number, since it uses more digits than its factorization.

478378713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5816 (or 2919 counting only the distinct ones).

The product of its digits is 790272, while the sum is 48.

The square root of 478378713 is about 21871.8703589794. The cubic root of 478378713 is about 782.0909888392.

The spelling of 478378713 in words is "four hundred seventy-eight million, three hundred seventy-eight thousand, seven hundred thirteen".