8354722080517 has 4 divisors (see below), whose sum is σ = 8379962933056. Its totient is φ = 8329481227980.

The previous prime is 8354722080487. The next prime is 8354722080539. The reversal of 8354722080517 is 7150802274538.

It is a happy number.

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 8354722080517 - 2¹⁹ = 8354721556229 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 (8354722780517) 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, 12620425773 + ... + 12620426434.

It is an arithmetic number, because the mean of its divisors is an integer number (2094990733264).

Almost surely, 2^{8354722080517} is an apocalyptic number.

It is an amenable number.

8354722080517 is a deficient number, since it is larger than the sum of its proper divisors (25240852539).

8354722080517 is a wasteful number, since it uses less digits than its factorization.

8354722080517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25240852538.

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 8354722080517 in words is "eight trillion, three hundred fifty-four billion, seven hundred twenty-two million, eighty thousand, five hundred seventeen".