43478087 has 8 divisors (see below), whose sum is σ = 43908480. Its totient is φ = 43050240.

The previous prime is 43478077. The next prime is 43478101. The reversal of 43478087 is 78087434.

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 43478087 - 2⁸ = 43477831 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 (43478077) 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, 53339 + ... + 54147.

It is an arithmetic number, because the mean of its divisors is an integer number (5488560).

Almost surely, 2^43478087 is an apocalyptic number.

43478087 is a deficient number, since it is larger than the sum of its proper divisors (430393).

43478087 is a wasteful number, since it uses less digits than its factorization.

43478087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1273.

The product of its (nonzero) digits is 150528, while the sum is 41.

The square root of 43478087 is about 6593.7915496321. The cubic root of 43478087 is about 351.6334181884.

The spelling of 43478087 in words is "forty-three million, four hundred seventy-eight thousand, eighty-seven".