80810968680 has 320 divisors, whose sum is σ = 294830807040. Its totient is φ = 19733995008.

The previous prime is 80810968649. The next prime is 80810968697. The reversal of 80810968680 is 8686901808.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5341687 + ... + 5356793.

It is an arithmetic number, because the mean of its divisors is an integer number (921346272).

Almost surely, 2^80810968680 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 80810968680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147415403520).

80810968680 is an abundant number, since it is smaller than the sum of its proper divisors (214019838360).

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

80810968680 is a wasteful number, since it uses less digits than its factorization.

80810968680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15270 (or 15257 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 54.

The spelling of 80810968680 in words is "eighty billion, eight hundred ten million, nine hundred sixty-eight thousand, six hundred eighty".