43687886028043 has 2 divisors, whose sum is σ = 43687886028044. Its totient is φ = 43687886028042.

The previous prime is 43687886028029. The next prime is 43687886028047. The reversal of 43687886028043 is 34082068878634.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43687886028043 - 2¹⁷ = 43687885896971 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43687886028043.

It is not a weakly prime, because it can be changed into another prime (43687886028047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21843943014021 + 21843943014022.

It is an arithmetic number, because the mean of its divisors is an integer number (21843943014022).

Almost surely, 2^{43687886028043} is an apocalyptic number.

43687886028043 is a deficient number, since it is larger than the sum of its proper divisors (1).

43687886028043 is an equidigital number, since it uses as much as digits as its factorization.

43687886028043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 297271296, while the sum is 67.

The spelling of 43687886028043 in words is "forty-three trillion, six hundred eighty-seven billion, eight hundred eighty-six million, twenty-eight thousand, forty-three".