478618817263 has 8 divisors (see below), whose sum is σ = 495131868000. Its totient is φ = 462106363488.

The previous prime is 478618817227. The next prime is 478618817269. The reversal of 478618817263 is 362718816874.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 478618817263 - 2¹⁷ = 478618686191 is a prime.

It is a super-2 number, since 2×478618817263² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478618817269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2013213 + ... + 2238361.

It is an arithmetic number, because the mean of its divisors is an integer number (61891483500).

Almost surely, 2^478618817263 is an apocalyptic number.

478618817263 is a deficient number, since it is larger than the sum of its proper divisors (16513050737).

478618817263 is a wasteful number, since it uses less digits than its factorization.

478618817263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298481.

The product of its digits is 21676032, while the sum is 61.

The spelling of 478618817263 in words is "four hundred seventy-eight billion, six hundred eighteen million, eight hundred seventeen thousand, two hundred sixty-three".