80890057080 has 640 divisors, whose sum is σ = 324147732480. Its totient is φ = 17703152640.

The previous prime is 80890057063. The next prime is 80890057093. The reversal of 80890057080 is 8075009808.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 72416682 + ... + 72417798.

It is an arithmetic number, because the mean of its divisors is an integer number (506480832).

Almost surely, 2^80890057080 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 80890057080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162073866240).

80890057080 is an abundant number, since it is smaller than the sum of its proper divisors (243257675400).

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

80890057080 is a wasteful number, since it uses less digits than its factorization.

80890057080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1268 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 45.

The spelling of 80890057080 in words is "eighty billion, eight hundred ninety million, fifty-seven thousand, eighty".