8071117920039 has 4 divisors (see below), whose sum is σ = 10761490560056. Its totient is φ = 5380745280024.

The previous prime is 8071117919999. The next prime is 8071117920101. The reversal of 8071117920039 is 9300297111708.

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

It is not a de Polignac number, because 8071117920039 - 2⁷ = 8071117919911 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 8071117920039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8071117920739) 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, 1345186320004 + ... + 1345186320009.

It is an arithmetic number, because the mean of its divisors is an integer number (2690372640014).

Almost surely, 2^{8071117920039} is an apocalyptic number.

8071117920039 is a deficient number, since it is larger than the sum of its proper divisors (2690372640017).

8071117920039 is a wasteful number, since it uses less digits than its factorization.

8071117920039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690372640016.

The product of its (nonzero) digits is 190512, while the sum is 48.

The spelling of 8071117920039 in words is "eight trillion, seventy-one billion, one hundred seventeen million, nine hundred twenty thousand, thirty-nine".