40830785887 has 2 divisors, whose sum is σ = 40830785888. Its totient is φ = 40830785886.

The previous prime is 40830785869. The next prime is 40830785893. The reversal of 40830785887 is 78858703804.

It is a happy number.

40830785887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40830785887 - 2¹¹ = 40830783839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40830705887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20415392943 + 20415392944.

It is an arithmetic number, because the mean of its divisors is an integer number (20415392944).

Almost surely, 2^40830785887 is an apocalyptic number.

40830785887 is a deficient number, since it is larger than the sum of its proper divisors (1).

40830785887 is an equidigital number, since it uses as much as digits as its factorization.

40830785887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12042240, while the sum is 58.

The spelling of 40830785887 in words is "forty billion, eight hundred thirty million, seven hundred eighty-five thousand, eight hundred eighty-seven".