82113117 has 8 divisors (see below), whose sum is σ = 115246560. Its totient is φ = 51860880.

The previous prime is 82113107. The next prime is 82113121. The reversal of 82113117 is 71131128.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82113117 - 2²³ = 73724509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82113107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720234 + ... + 720347.

It is an arithmetic number, because the mean of its divisors is an integer number (14405820).

Almost surely, 2^82113117 is an apocalyptic number.

It is an amenable number.

82113117 is a deficient number, since it is larger than the sum of its proper divisors (33133443).

82113117 is a wasteful number, since it uses less digits than its factorization.

82113117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1440603.

The product of its digits is 336, while the sum is 24.

The square root of 82113117 is about 9061.6288270928. The cubic root of 82113117 is about 434.6478269960.

The spelling of 82113117 in words is "eighty-two million, one hundred thirteen thousand, one hundred seventeen".