80320505087 has 8 divisors (see below), whose sum is σ = 82474903680. Its totient is φ = 78192541080.

The previous prime is 80320505071. The next prime is 80320505113. The reversal of 80320505087 is 78050502308.

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

It is a cyclic number.

It is not a de Polignac number, because 80320505087 - 2⁴ = 80320505071 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80320505087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80320505017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6602489 + ... + 6614642.

It is an arithmetic number, because the mean of its divisors is an integer number (10309362960).

Almost surely, 2^80320505087 is an apocalyptic number.

80320505087 is a deficient number, since it is larger than the sum of its proper divisors (2154398593).

80320505087 is a wasteful number, since it uses less digits than its factorization.

80320505087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13217293.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 80320505087 in words is "eighty billion, three hundred twenty million, five hundred five thousand, eighty-seven".