478800043 has 4 divisors (see below), whose sum is σ = 478987288. Its totient is φ = 478612800.

The previous prime is 478800037. The next prime is 478800061. The reversal of 478800043 is 340008874.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-478800043 is a prime.

It is the 21882-nd Hogben number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478799981 and 478800008.

It is not an unprimeable number, because it can be changed into a prime (478800013) by changing a digit.

It is a nontrivial repunit in base 21881.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89733 + ... + 94918.

It is an arithmetic number, because the mean of its divisors is an integer number (119746822).

Almost surely, 2^478800043 is an apocalyptic number.

478800043 is a deficient number, since it is larger than the sum of its proper divisors (187245).

478800043 is a wasteful number, since it uses less digits than its factorization.

478800043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187244.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 478800043 is about 21881.5000171378. The cubic root of 478800043 is about 782.3205292250.

The spelling of 478800043 in words is "four hundred seventy-eight million, eight hundred thousand, forty-three".