408811898867 has 2 divisors, whose sum is σ = 408811898868. Its totient is φ = 408811898866.

The previous prime is 408811898849. The next prime is 408811898953. The reversal of 408811898867 is 768898118804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 408811898867 - 2²⁰ = 408810850291 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 408811898797 and 408811898806.

It is not a weakly prime, because it can be changed into another prime (408811898837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204405949433 + 204405949434.

It is an arithmetic number, because the mean of its divisors is an integer number (204405949434).

Almost surely, 2^408811898867 is an apocalyptic number.

408811898867 is a deficient number, since it is larger than the sum of its proper divisors (1).

408811898867 is an equidigital number, since it uses as much as digits as its factorization.

408811898867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 49545216, while the sum is 68.

The spelling of 408811898867 in words is "four hundred eight billion, eight hundred eleven million, eight hundred ninety-eight thousand, eight hundred sixty-seven".