478267038147 has 4 divisors (see below), whose sum is σ = 637689384200. Its totient is φ = 318844692096.

The previous prime is 478267038131. The next prime is 478267038167. The reversal of 478267038147 is 741830762874.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 478267038147 - 2⁴ = 478267038131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478267038107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79711173022 + ... + 79711173027.

It is an arithmetic number, because the mean of its divisors is an integer number (159422346050).

Almost surely, 2^478267038147 is an apocalyptic number.

478267038147 is a deficient number, since it is larger than the sum of its proper divisors (159422346053).

478267038147 is a wasteful number, since it uses less digits than its factorization.

478267038147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159422346052.

The product of its (nonzero) digits is 12644352, while the sum is 57.

The spelling of 478267038147 in words is "four hundred seventy-eight billion, two hundred sixty-seven million, thirty-eight thousand, one hundred forty-seven".