82355710117 has 4 divisors (see below), whose sum is σ = 85195562220. Its totient is φ = 79515858016.

The previous prime is 82355710069. The next prime is 82355710207. The reversal of 82355710117 is 71101755328.

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 53846738401 + 28508971716 = 232049^2 + 168846^2 .

It is a cyclic number.

It is not a de Polignac number, because 82355710117 - 2²³ = 82347321509 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 82355710117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82355710417) 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, 1419926008 + ... + 1419926065.

It is an arithmetic number, because the mean of its divisors is an integer number (21298890555).

Almost surely, 2^82355710117 is an apocalyptic number.

It is an amenable number.

82355710117 is a deficient number, since it is larger than the sum of its proper divisors (2839852103).

82355710117 is a wasteful number, since it uses less digits than its factorization.

82355710117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2839852102.

The product of its (nonzero) digits is 58800, while the sum is 40.

The spelling of 82355710117 in words is "eighty-two billion, three hundred fifty-five million, seven hundred ten thousand, one hundred seventeen".