80708011808256 has 1280 divisors, whose sum is σ = 296469524736000. Its totient is φ = 21155863855104.

The previous prime is 80708011808233. The next prime is 80708011808257. The reversal of 80708011808256 is 65280811080708.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80708011808257) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 10691215170 + ... + 10691222718.

It is an arithmetic number, because the mean of its divisors is an integer number (231616816200).

Almost surely, 2^{80708011808256} 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 80708011808256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148234762368000).

80708011808256 is an abundant number, since it is smaller than the sum of its proper divisors (215761512927744).

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

80708011808256 is a wasteful number, since it uses less digits than its factorization.

80708011808256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7764 (or 7742 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 54.

The spelling of 80708011808256 in words is "eighty trillion, seven hundred eight billion, eleven million, eight hundred eight thousand, two hundred fifty-six".