80899891176 has 128 divisors (see below), whose sum is σ = 230753577600. Its totient is φ = 23414415360.

The previous prime is 80899891153. The next prime is 80899891201. The reversal of 80899891176 is 67119899808.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12402796 + ... + 12409316.

It is an arithmetic number, because the mean of its divisors is an integer number (1802762325).

Almost surely, 2^80899891176 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80899891176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115376788800).

80899891176 is an abundant number, since it is smaller than the sum of its proper divisors (149853686424).

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

80899891176 is a wasteful number, since it uses less digits than its factorization.

80899891176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8899 (or 8895 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 66.

The spelling of 80899891176 in words is "eighty billion, eight hundred ninety-nine million, eight hundred ninety-one thousand, one hundred seventy-six".