80007928517 has 4 divisors (see below), whose sum is σ = 87281376576. Its totient is φ = 72734480460.

The previous prime is 80007928493. The next prime is 80007928519. The reversal of 80007928517 is 71582970008.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80007928517 - 2³⁰ = 78934186693 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 (80007928519) 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, 3636724013 + ... + 3636724034.

It is an arithmetic number, because the mean of its divisors is an integer number (21820344144).

Almost surely, 2^80007928517 is an apocalyptic number.

It is an amenable number.

80007928517 is a deficient number, since it is larger than the sum of its proper divisors (7273448059).

80007928517 is a wasteful number, since it uses less digits than its factorization.

80007928517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273448058.

The product of its (nonzero) digits is 282240, while the sum is 47.

The spelling of 80007928517 in words is "eighty billion, seven million, nine hundred twenty-eight thousand, five hundred seventeen".