80273699808 has 24 divisors (see below), whose sum is σ = 210718462248. Its totient is φ = 26757899904.

The previous prime is 80273699789. The next prime is 80273699813. The reversal of 80273699808 is 80899637208.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418092091 + ... + 418092282.

It is an arithmetic number, because the mean of its divisors is an integer number (8779935927).

Almost surely, 2^80273699808 is an apocalyptic number.

It is an amenable number.

80273699808 is an abundant number, since it is smaller than the sum of its proper divisors (130444762440).

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

80273699808 is a wasteful number, since it uses less digits than its factorization.

80273699808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836184386 (or 836184378 counting only the distinct ones).

The product of its (nonzero) digits is 10450944, while the sum is 60.

The spelling of 80273699808 in words is "eighty billion, two hundred seventy-three million, six hundred ninety-nine thousand, eight hundred eight".