80805550249986 has 8 divisors (see below), whose sum is σ = 161611100499984. Its totient is φ = 26935183416660.

The previous prime is 80805550249933. The next prime is 80805550249999. The reversal of 80805550249986 is 68994205550808.

It is a sphenic number, since it is the product of 3 distinct primes.

80805550249986 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 80805550249986.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6733795854160 + ... + 6733795854171.

It is an arithmetic number, because the mean of its divisors is an integer number (20201387562498).

Almost surely, 2^{80805550249986} is an apocalyptic number.

80805550249986 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80805550249986 is a wasteful number, since it uses less digits than its factorization.

80805550249986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13467591708336.

The product of its (nonzero) digits is 248832000, while the sum is 69.

The spelling of 80805550249986 in words is "eighty trillion, eight hundred five billion, five hundred fifty million, two hundred forty-nine thousand, nine hundred eighty-six".