80630021717 has 4 divisors (see below), whose sum is σ = 92148596256. Its totient is φ = 69111447180.

The previous prime is 80630021711. The next prime is 80630021723. The reversal of 80630021717 is 71712003608.

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 an interprime number because it is at equal distance from previous prime (80630021711) and next prime (80630021723).

It is a cyclic number.

It is not a de Polignac number, because 80630021717 - 2¹⁰ = 80630020693 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 (80630021711) 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, 5759287259 + ... + 5759287272.

It is an arithmetic number, because the mean of its divisors is an integer number (23037149064).

Almost surely, 2^80630021717 is an apocalyptic number.

It is an amenable number.

80630021717 is a deficient number, since it is larger than the sum of its proper divisors (11518574539).

80630021717 is a wasteful number, since it uses less digits than its factorization.

80630021717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11518574538.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 80630021717 in words is "eighty billion, six hundred thirty million, twenty-one thousand, seven hundred seventeen".