80404400881 has 16 divisors (see below), whose sum is σ = 95074137088. Its totient is φ = 66540787200.

The previous prime is 80404400801. The next prime is 80404400911. The reversal of 80404400881 is 18800440408.

It is a cyclic number.

It is not a de Polignac number, because 80404400881 - 2²⁷ = 80270183153 is a prime.

It is a super-2 number, since 2×80404400881² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 80404400881.

It is not an unprimeable number, because it can be changed into a prime (80404400801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333900 + ... + 521821.

It is an arithmetic number, because the mean of its divisors is an integer number (5942133568).

Almost surely, 2^80404400881 is an apocalyptic number.

It is an amenable number.

80404400881 is a deficient number, since it is larger than the sum of its proper divisors (14669736207).

80404400881 is a wasteful number, since it uses less digits than its factorization.

80404400881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856192.

The product of its (nonzero) digits is 32768, while the sum is 37.

The spelling of 80404400881 in words is "eighty billion, four hundred four million, four hundred thousand, eight hundred eighty-one".