478542845731 has 8 divisors (see below), whose sum is σ = 496806055200. Its totient is φ = 460397085120.

The previous prime is 478542845713. The next prime is 478542845779. The reversal of 478542845731 is 137548245874.

It is a happy number.

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 478542845731 - 2⁹ = 478542845219 is a prime.

It is a super-2 number, since 2×478542845731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (478542845791) 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, 29353911 + ... + 29370208.

It is an arithmetic number, because the mean of its divisors is an integer number (62100756900).

Almost surely, 2^478542845731 is an apocalyptic number.

478542845731 is a deficient number, since it is larger than the sum of its proper divisors (18263209469).

478542845731 is a wasteful number, since it uses less digits than its factorization.

478542845731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58724429.

The product of its digits is 30105600, while the sum is 58.

The spelling of 478542845731 in words is "four hundred seventy-eight billion, five hundred forty-two million, eight hundred forty-five thousand, seven hundred thirty-one".