8478461943 has 16 divisors (see below), whose sum is σ = 14355068160. Its totient is φ = 4844835288.

The previous prime is 8478461933. The next prime is 8478461987. The reversal of 8478461943 is 3491648748.

It is not a de Polignac number, because 8478461943 - 2¹⁰ = 8478460919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8478461943.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8478461933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22429605 + ... + 22429982.

It is an arithmetic number, because the mean of its divisors is an integer number (897191760).

Almost surely, 2^8478461943 is an apocalyptic number.

8478461943 is a deficient number, since it is larger than the sum of its proper divisors (5876606217).

8478461943 is a wasteful number, since it uses less digits than its factorization.

8478461943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44859603 (or 44859597 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The square root of 8478461943 is about 92078.5639712088. The cubic root of 8478461943 is about 2039.1023494466.

The spelling of 8478461943 in words is "eight billion, four hundred seventy-eight million, four hundred sixty-one thousand, nine hundred forty-three".