80740895694720 has 256 divisors, whose sum is σ = 266004124001280. Its totient is φ = 20818910044160.

The previous prime is 80740895694713. The next prime is 80740895694791. The reversal of 80740895694720 is 2749659804708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2099950 + ... + 12879890.

It is an arithmetic number, because the mean of its divisors is an integer number (1039078609380).

Almost surely, 2^{80740895694720} is an apocalyptic number.

80740895694720 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 80740895694720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133002062000640).

80740895694720 is an abundant number, since it is smaller than the sum of its proper divisors (185263228306560).

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

80740895694720 is a wasteful number, since it uses less digits than its factorization.

80740895694720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10780093 (or 10780081 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 69.

The spelling of 80740895694720 in words is "eighty trillion, seven hundred forty billion, eight hundred ninety-five million, six hundred ninety-four thousand, seven hundred twenty".