80884000840 has 32 divisors (see below), whose sum is σ = 182114902080. Its totient is φ = 32331218112.

The previous prime is 80884000837. The next prime is 80884000913. The reversal of 80884000840 is 4800048808.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 80884000793 and 80884000802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 640842 + ... + 756601.

It is an arithmetic number, because the mean of its divisors is an integer number (5691090690).

Almost surely, 2^80884000840 is an apocalyptic number.

It is an amenable number.

80884000840 is an abundant number, since it is smaller than the sum of its proper divisors (101230901240).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80884000840 is a wasteful number, since it uses less digits than its factorization.

80884000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398901 (or 1398897 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 40.

The spelling of 80884000840 in words is "eighty billion, eight hundred eighty-four million, eight hundred forty", and thus it is an aban number.