80879979980800 has 1728 divisors, whose sum is σ = 272410775844480. Its totient is φ = 23125819392000.

The previous prime is 80879979980797. The next prime is 80879979980827. The reversal of 80879979980800 is 808997997808.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 155239884540 + ... + 155239885060.

It is an arithmetic number, because the mean of its divisors is an integer number (157645124910).

Almost surely, 2^{80879979980800} is an apocalyptic number.

80879979980800 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 80879979980800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136205387922240).

80879979980800 is an abundant number, since it is smaller than the sum of its proper divisors (191530795863680).

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

80879979980800 is a wasteful number, since it uses less digits than its factorization.

80879979980800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 830 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 1316818944, while the sum is 82.

The spelling of 80879979980800 in words is "eighty trillion, eight hundred seventy-nine billion, nine hundred seventy-nine million, nine hundred eighty thousand, eight hundred".