478739574869 has 8 divisors (see below), whose sum is σ = 483102900000. Its totient is φ = 474391587472.

The previous prime is 478739574839. The next prime is 478739574881. The reversal of 478739574869 is 968475937874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478739574869 is a prime.

It is a super-2 number, since 2×478739574869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 478739574869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478739574809) 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, 3771719 + ... + 3896580.

It is an arithmetic number, because the mean of its divisors is an integer number (60387862500).

Almost surely, 2^478739574869 is an apocalyptic number.

It is an amenable number.

478739574869 is a deficient number, since it is larger than the sum of its proper divisors (4363325131).

478739574869 is a wasteful number, since it uses less digits than its factorization.

478739574869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7668867.

The product of its digits is 2560481280, while the sum is 77.

The spelling of 478739574869 in words is "four hundred seventy-eight billion, seven hundred thirty-nine million, five hundred seventy-four thousand, eight hundred sixty-nine".