80800804487 has 4 divisors (see below), whose sum is σ = 87016251000. Its totient is φ = 74585357976.

The previous prime is 80800804477. The next prime is 80800804501. The reversal of 80800804487 is 78440800808.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80800804487 - 2³⁰ = 79727062663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80800804477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3107723237 + ... + 3107723262.

It is an arithmetic number, because the mean of its divisors is an integer number (21754062750).

Almost surely, 2^80800804487 is an apocalyptic number.

80800804487 is a deficient number, since it is larger than the sum of its proper divisors (6215446513).

80800804487 is a wasteful number, since it uses less digits than its factorization.

80800804487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6215446512.

The product of its (nonzero) digits is 458752, while the sum is 47.

The spelling of 80800804487 in words is "eighty billion, eight hundred million, eight hundred four thousand, four hundred eighty-seven".