478619843 has 8 divisors (see below), whose sum is σ = 515660208. Its totient is φ = 441611424.

The previous prime is 478619831. The next prime is 478619873. The reversal of 478619843 is 348916874.

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 478619843 - 2⁸ = 478619587 is a prime.

It is a super-2 number, since 2×478619843² = 458153908226689298, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 478619791 and 478619800.

It is not an unprimeable number, because it can be changed into a prime (478619803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29780 + ... + 42942.

It is an arithmetic number, because the mean of its divisors is an integer number (64457526).

Almost surely, 2^478619843 is an apocalyptic number.

478619843 is a deficient number, since it is larger than the sum of its proper divisors (37040365).

478619843 is a wasteful number, since it uses less digits than its factorization.

478619843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15973.

The product of its digits is 1161216, while the sum is 50.

The square root of 478619843 is about 21877.3819960250. The cubic root of 478619843 is about 782.2223728369. Note that the first 3 decimals are identical.

The spelling of 478619843 in words is "four hundred seventy-eight million, six hundred nineteen thousand, eight hundred forty-three".