80820291080200 has 48 divisors (see below), whose sum is σ = 214751059159680. Its totient is φ = 27709814084160.

The previous prime is 80820291080147. The next prime is 80820291080299. The reversal of 80820291080200 is 208019202808.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28864388272 + ... + 28864391071.

It is an arithmetic number, because the mean of its divisors is an integer number (4473980399160).

Almost surely, 2^{80820291080200} is an apocalyptic number.

It is an amenable number.

80820291080200 is an abundant number, since it is smaller than the sum of its proper divisors (133930768079480).

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

80820291080200 is a wasteful number, since it uses less digits than its factorization.

80820291080200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57728779366 (or 57728779357 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The spelling of 80820291080200 in words is "eighty trillion, eight hundred twenty billion, two hundred ninety-one million, eighty thousand, two hundred".