478487113645 has 4 divisors (see below), whose sum is σ = 574184536380. Its totient is φ = 382789690912.

The previous prime is 478487113639. The next prime is 478487113703. The reversal of 478487113645 is 546311784874.

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

It can be written as a sum of positive squares in 2 ways, for example, as 241573233001 + 236913880644 = 491501^2 + 486738^2 .

It is a cyclic number.

It is not a de Polignac number, because 478487113645 - 2²⁹ = 477950242733 is a prime.

It is a super-3 number, since 3×478487113645³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478487113645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47848711360 + ... + 47848711369.

It is an arithmetic number, because the mean of its divisors is an integer number (143546134095).

Almost surely, 2^478487113645 is an apocalyptic number.

It is an amenable number.

478487113645 is a deficient number, since it is larger than the sum of its proper divisors (95697422735).

478487113645 is an equidigital number, since it uses as much as digits as its factorization.

478487113645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95697422734.

The product of its digits is 18063360, while the sum is 58.

The spelling of 478487113645 in words is "four hundred seventy-eight billion, four hundred eighty-seven million, one hundred thirteen thousand, six hundred forty-five".