8312820117 has 16 divisors (see below), whose sum is σ = 12670490112. Its totient is φ = 4748932080.

The previous prime is 8312820107. The next prime is 8312820119. The reversal of 8312820117 is 7110282138.

It is not a de Polignac number, because 8312820117 - 2⁸ = 8312819861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8312820119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32742 + ... + 133032.

It is an arithmetic number, because the mean of its divisors is an integer number (791905632).

Almost surely, 2^8312820117 is an apocalyptic number.

It is an amenable number.

8312820117 is a deficient number, since it is larger than the sum of its proper divisors (4357669995).

8312820117 is a wasteful number, since it uses less digits than its factorization.

8312820117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104248.

The product of its (nonzero) digits is 5376, while the sum is 33.

The square root of 8312820117 is about 91174.6681759797. The cubic root of 8312820117 is about 2025.7357580013.

The spelling of 8312820117 in words is "eight billion, three hundred twelve million, eight hundred twenty thousand, one hundred seventeen".