80605708618752 has 396 divisors, whose sum is σ = 241064292017640. Its totient is φ = 25940556840960.

The previous prime is 80605708618739. The next prime is 80605708618753. The reversal of 80605708618752 is 25781680750608.

80605708618752 is a `hidden beast` number, since 8 + 0 + 6 + 0 + 5 + 7 + 0 + 8 + 618 + 7 + 5 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 80605708618752.

It is not an unprimeable number, because it can be changed into a prime (80605708618753) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3834886899 + ... + 3834907917.

Almost surely, 2^{80605708618752} 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 80605708618752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120532146008820).

80605708618752 is an abundant number, since it is smaller than the sum of its proper divisors (160458583398888).

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

80605708618752 is a wasteful number, since it uses less digits than its factorization.

80605708618752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21540 (or 21488 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 63.

The spelling of 80605708618752 in words is "eighty trillion, six hundred five billion, seven hundred eight million, six hundred eighteen thousand, seven hundred fifty-two".