43478559 has 16 divisors (see below), whose sum is σ = 64556800. Its totient is φ = 28920888.

The previous prime is 43478557. The next prime is 43478599. The reversal of 43478559 is 95587434.

It is not a de Polignac number, because 43478559 - 2¹ = 43478557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43478551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12582 + ... + 15660.

It is an arithmetic number, because the mean of its divisors is an integer number (4034800).

Almost surely, 2^43478559 is an apocalyptic number.

43478559 is a deficient number, since it is larger than the sum of its proper divisors (21078241).

43478559 is a wasteful number, since it uses less digits than its factorization.

43478559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3611 (or 3605 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 43478559 is about 6593.8273407786. The cubic root of 43478559 is about 351.6346906330.

The spelling of 43478559 in words is "forty-three million, four hundred seventy-eight thousand, five hundred fifty-nine".