80018174775709 has 8 divisors (see below), whose sum is σ = 80836431678072. Its totient is φ = 79201850004480.

The previous prime is 80018174775661. The next prime is 80018174775743. The reversal of 80018174775709 is 90757747181008.

It can be written as a sum of positive squares in 4 ways, for example, as 2281277952100 + 77736896823609 = 1510390^2 + 8816853^2 .

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 80018174775709 - 2⁹ = 80018174775197 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 (60018174775709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 482949532 + ... + 483115189.

It is an arithmetic number, because the mean of its divisors is an integer number (10104553959759).

Almost surely, 2^{80018174775709} is an apocalyptic number.

It is an amenable number.

80018174775709 is a deficient number, since it is larger than the sum of its proper divisors (818256902363).

80018174775709 is a wasteful number, since it uses less digits than its factorization.

80018174775709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966065567.

The product of its (nonzero) digits is 27659520, while the sum is 64.

The spelling of 80018174775709 in words is "eighty trillion, eighteen billion, one hundred seventy-four million, seven hundred seventy-five thousand, seven hundred nine".