80547920000000 has 352 divisors, whose sum is σ = 207769968107520. Its totient is φ = 31178880000000.

The previous prime is 80547919999993. The next prime is 80547920000027. The reversal of 80547920000000 is 2974508.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2479983761 + ... + 2480016239.

Almost surely, 2^{80547920000000} is an apocalyptic number.

80547920000000 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 80547920000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103884984053760).

80547920000000 is an abundant number, since it is smaller than the sum of its proper divisors (127222048107520).

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

80547920000000 is an frugal number, since it uses more digits than its factorization.

80547920000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32565 (or 32517 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

Adding to 80547920000000 its reverse (2974508), we get a palindrome (80547922974508).

The spelling of 80547920000000 in words is "eighty trillion, five hundred forty-seven billion, nine hundred twenty million", and thus it is an aban number.