80943367680 has 480 divisors, whose sum is σ = 328217617728. Its totient is φ = 18048614400.

The previous prime is 80943367679. The next prime is 80943367697. The reversal of 80943367680 is 8676334908.

80943367680 is a `hidden beast` number, since 80 + 94 + 336 + 76 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6606360 + ... + 6618600.

Almost surely, 2^80943367680 is an apocalyptic number.

80943367680 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80943367680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164108808864).

80943367680 is an abundant number, since it is smaller than the sum of its proper divisors (247274250048).

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

80943367680 is a wasteful number, since it uses less digits than its factorization.

80943367680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12318 (or 12299 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 54.

The spelling of 80943367680 in words is "eighty billion, nine hundred forty-three million, three hundred sixty-seven thousand, six hundred eighty".