80786734080000 has 1680 divisors, whose sum is σ = 300257726308848. Its totient is φ = 19198771200000.

The previous prime is 80786734079981. The next prime is 80786734080043. The reversal of 80786734080000 is 8043768708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 191892479790 + ... + 191892480210.

Almost surely, 2^{80786734080000} is an apocalyptic number.

80786734080000 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 80786734080000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150128863154424).

80786734080000 is an abundant number, since it is smaller than the sum of its proper divisors (219470992228848).

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

80786734080000 is an equidigital number, since it uses as much as digits as its factorization.

80786734080000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 80786734080000 in words is "eighty trillion, seven hundred eighty-six billion, seven hundred thirty-four million, eighty thousand".