408093188887 has 2 divisors, whose sum is σ = 408093188888. Its totient is φ = 408093188886.

The previous prime is 408093188857. The next prime is 408093188957. The reversal of 408093188887 is 788881390804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408093188887 - 2¹⁹ = 408092664599 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (408093188807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204046594443 + 204046594444.

It is an arithmetic number, because the mean of its divisors is an integer number (204046594444).

Almost surely, 2^408093188887 is an apocalyptic number.

408093188887 is a deficient number, since it is larger than the sum of its proper divisors (1).

408093188887 is an equidigital number, since it uses as much as digits as its factorization.

408093188887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24772608, while the sum is 64.

The spelling of 408093188887 in words is "four hundred eight billion, ninety-three million, one hundred eighty-eight thousand, eight hundred eighty-seven".