80354520718 has 12 divisors (see below), whose sum is σ = 124831371600. Its totient is φ = 38791836776.

The previous prime is 80354520709. The next prime is 80354520739. The reversal of 80354520718 is 81702545308.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 23884918 + ... + 23888281.

It is an arithmetic number, because the mean of its divisors is an integer number (10402614300).

Almost surely, 2^80354520718 is an apocalyptic number.

80354520718 is a deficient number, since it is larger than the sum of its proper divisors (44476850882).

80354520718 is a wasteful number, since it uses less digits than its factorization.

80354520718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47773259 (or 47773230 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 80354520718 in words is "eighty billion, three hundred fifty-four million, five hundred twenty thousand, seven hundred eighteen".