43628087 has 2 divisors, whose sum is σ = 43628088. Its totient is φ = 43628086.

The previous prime is 43628071. The next prime is 43628089. The reversal of 43628087 is 78082634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43628087 - 2⁴ = 43628071 is a prime.

Together with 43628089, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43628087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43628089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21814043 + 21814044.

It is an arithmetic number, because the mean of its divisors is an integer number (21814044).

Almost surely, 2^43628087 is an apocalyptic number.

43628087 is a deficient number, since it is larger than the sum of its proper divisors (1).

43628087 is an equidigital number, since it uses as much as digits as its factorization.

43628087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 43628087 is about 6605.1560920239. The cubic root of 43628087 is about 352.0373340868.

The spelling of 43628087 in words is "forty-three million, six hundred twenty-eight thousand, eighty-seven".