478304663387 has 16 divisors (see below), whose sum is σ = 486060217344. Its totient is φ = 470620920000.

The previous prime is 478304663383. The next prime is 478304663393. The reversal of 478304663387 is 783366403874.

It is a cyclic number.

It is not a de Polignac number, because 478304663387 - 2² = 478304663383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478304663383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9325262 + ... + 9376412.

It is an arithmetic number, because the mean of its divisors is an integer number (30378763584).

Almost surely, 2^478304663387 is an apocalyptic number.

478304663387 is a deficient number, since it is larger than the sum of its proper divisors (7755553957).

478304663387 is a wasteful number, since it uses less digits than its factorization.

478304663387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51850.

The product of its (nonzero) digits is 48771072, while the sum is 59.

The spelling of 478304663387 in words is "four hundred seventy-eight billion, three hundred four million, six hundred sixty-three thousand, three hundred eighty-seven".