80436855353700 has 72 divisors (see below), whose sum is σ = 232747838761312. Its totient is φ = 21448242478080.

The previous prime is 80436855353689. The next prime is 80436855353717. The reversal of 80436855353700 is 735355863408.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 5842234 + ... + 13964433.

Almost surely, 2^{80436855353700} is an apocalyptic number.

It is an amenable number.

80436855353700 is an abundant number, since it is smaller than the sum of its proper divisors (152310983407612).

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

80436855353700 is a wasteful number, since it uses less digits than its factorization.

80436855353700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19820221 (or 19820214 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 57.

The spelling of 80436855353700 in words is "eighty trillion, four hundred thirty-six billion, eight hundred fifty-five million, three hundred fifty-three thousand, seven hundred".