478947395 has 4 divisors (see below), whose sum is σ = 574736880. Its totient is φ = 383157912.

The previous prime is 478947367. The next prime is 478947451. The reversal of 478947395 is 593749874.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 593749874 = 2 ⋅296874937.

It is a cyclic number.

It is not a de Polignac number, because 478947395 - 2¹⁶ = 478881859 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 478947395.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47894735 + ... + 47894744.

It is an arithmetic number, because the mean of its divisors is an integer number (143684220).

Almost surely, 2^478947395 is an apocalyptic number.

478947395 is a deficient number, since it is larger than the sum of its proper divisors (95789485).

478947395 is an equidigital number, since it uses as much as digits as its factorization.

478947395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95789484.

The product of its digits is 7620480, while the sum is 56.

The square root of 478947395 is about 21884.8668033415. The cubic root of 478947395 is about 782.4007747421.

The spelling of 478947395 in words is "four hundred seventy-eight million, nine hundred forty-seven thousand, three hundred ninety-five".