478487113643 has 32 divisors (see below), whose sum is σ = 628187374080. Its totient is φ = 353091744000.

The previous prime is 478487113639. The next prime is 478487113703. The reversal of 478487113643 is 346311784874.

It is not a de Polignac number, because 478487113643 - 2² = 478487113639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (478487113603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3950423 + ... + 4069743.

It is an arithmetic number, because the mean of its divisors is an integer number (19630855440).

Almost surely, 2^478487113643 is an apocalyptic number.

478487113643 is a deficient number, since it is larger than the sum of its proper divisors (149700260437).

478487113643 is a wasteful number, since it uses less digits than its factorization.

478487113643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122099.

The product of its digits is 10838016, while the sum is 56.

The spelling of 478487113643 in words is "four hundred seventy-eight billion, four hundred eighty-seven million, one hundred thirteen thousand, six hundred forty-three".