43086887 has 2 divisors, whose sum is σ = 43086888. Its totient is φ = 43086886.

The previous prime is 43086881. The next prime is 43086893. The reversal of 43086887 is 78868034.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (43086881) and next prime (43086893).

It is a cyclic number.

It is not a de Polignac number, because 43086887 - 2⁴ = 43086871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43086881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21543443 + 21543444.

It is an arithmetic number, because the mean of its divisors is an integer number (21543444).

Almost surely, 2^43086887 is an apocalyptic number.

43086887 is a deficient number, since it is larger than the sum of its proper divisors (1).

43086887 is an equidigital number, since it uses as much as digits as its factorization.

43086887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 43086887 is about 6564.0602526180. The cubic root of 43086887 is about 350.5756160781.

The spelling of 43086887 in words is "forty-three million, eighty-six thousand, eight hundred eighty-seven".