408811898879 has 8 divisors (see below), whose sum is σ = 422050312320. Its totient is φ = 395576668800.

The previous prime is 408811898867. The next prime is 408811898953. The reversal of 408811898879 is 978898118804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-408811898879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408811898849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 533462 + ... + 1049859.

It is an arithmetic number, because the mean of its divisors is an integer number (52756289040).

Almost surely, 2^408811898879 is an apocalyptic number.

408811898879 is a deficient number, since it is larger than the sum of its proper divisors (13238413441).

408811898879 is a wasteful number, since it uses less digits than its factorization.

408811898879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591681.

The product of its (nonzero) digits is 74317824, while the sum is 71.

The spelling of 408811898879 in words is "four hundred eight billion, eight hundred eleven million, eight hundred ninety-eight thousand, eight hundred seventy-nine".