80014078473517 has 4 divisors (see below), whose sum is σ = 80083474900060. Its totient is φ = 79944682046976.

The previous prime is 80014078473499. The next prime is 80014078473521. The reversal of 80014078473517 is 71537487041008.

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

It can be written as a sum of positive squares in 2 ways, for example, as 31481761161321 + 48532317312196 = 5610861^2 + 6966514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-80014078473517 is a prime.

It is a super-2 number, since 2×80014078473517² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80014078473587) 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, 34698211542 + ... + 34698213847.

It is an arithmetic number, because the mean of its divisors is an integer number (20020868725015).

Almost surely, 2^{80014078473517} is an apocalyptic number.

It is an amenable number.

80014078473517 is a deficient number, since it is larger than the sum of its proper divisors (69396426543).

80014078473517 is a wasteful number, since it uses less digits than its factorization.

80014078473517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69396426542.

The product of its (nonzero) digits is 5268480, while the sum is 55.

The spelling of 80014078473517 in words is "eighty trillion, fourteen billion, seventy-eight million, four hundred seventy-three thousand, five hundred seventeen".