80817227712 has 504 divisors, whose sum is σ = 263638838736. Its totient is φ = 24532844544.

The previous prime is 80817227683. The next prime is 80817227731. The reversal of 80817227712 is 21772271808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 254943778 + ... + 254944094.

It is an arithmetic number, because the mean of its divisors is an integer number (523092934).

Almost surely, 2^80817227712 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 80817227712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131819419368).

80817227712 is an abundant number, since it is smaller than the sum of its proper divisors (182821611024).

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

80817227712 is a wasteful number, since it uses less digits than its factorization.

80817227712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 432 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 45.

The spelling of 80817227712 in words is "eighty billion, eight hundred seventeen million, two hundred twenty-seven thousand, seven hundred twelve".