80755909336887 has 4 divisors (see below), whose sum is σ = 107674545782520. Its totient is φ = 53837272891256.

The previous prime is 80755909336873. The next prime is 80755909336909. The reversal of 80755909336887 is 78863390955708.

It is a happy number.

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 80755909336887 - 2²⁰ = 80755908288311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80755909336787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13459318222812 + ... + 13459318222817.

It is an arithmetic number, because the mean of its divisors is an integer number (26918636445630).

Almost surely, 2^{80755909336887} is an apocalyptic number.

80755909336887 is a deficient number, since it is larger than the sum of its proper divisors (26918636445633).

80755909336887 is a wasteful number, since it uses less digits than its factorization.

80755909336887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26918636445632.

The product of its (nonzero) digits is 2743372800, while the sum is 78.

The spelling of 80755909336887 in words is "eighty trillion, seven hundred fifty-five billion, nine hundred nine million, three hundred thirty-six thousand, eight hundred eighty-seven".