43500087 has 12 divisors (see below), whose sum is σ = 65000520. Its totient is φ = 27999888.

The previous prime is 43500073. The next prime is 43500089. The reversal of 43500087 is 78000534.

It is not a de Polignac number, because 43500087 - 2²⁰ = 42451511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43500087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43500089) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83073 + ... + 83594.

It is an arithmetic number, because the mean of its divisors is an integer number (5416710).

Almost surely, 2^43500087 is an apocalyptic number.

43500087 is a deficient number, since it is larger than the sum of its proper divisors (21500433).

43500087 is a wasteful number, since it uses less digits than its factorization.

43500087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166702 (or 166699 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 43500087 is about 6595.4595745861. The cubic root of 43500087 is about 351.6927172614.

The spelling of 43500087 in words is "forty-three million, five hundred thousand, eighty-seven".