80505887094359 has 4 divisors (see below), whose sum is σ = 80664051902520. Its totient is φ = 80347722286200.

The previous prime is 80505887094341. The next prime is 80505887094377. The reversal of 80505887094359 is 95349078850508.

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

It is an interprime number because it is at equal distance from previous prime (80505887094341) and next prime (80505887094377).

It is a cyclic number.

It is not a de Polignac number, because 80505887094359 - 2¹⁶ = 80505887028823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80505887094292 and 80505887094301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80505887091359) 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, 79082403317 + ... + 79082404334.

It is an arithmetic number, because the mean of its divisors is an integer number (20166012975630).

Almost surely, 2^{80505887094359} is an apocalyptic number.

80505887094359 is a deficient number, since it is larger than the sum of its proper divisors (158164808161).

80505887094359 is a wasteful number, since it uses less digits than its factorization.

80505887094359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158164808160.

The product of its (nonzero) digits is 435456000, while the sum is 71.

The spelling of 80505887094359 in words is "eighty trillion, five hundred five billion, eight hundred eighty-seven million, ninety-four thousand, three hundred fifty-nine".