2817680105 has 8 divisors (see below), whose sum is σ = 3463685064. Its totient is φ = 2199164800.

The previous prime is 2817680081. The next prime is 2817680119. The reversal of 2817680105 is 5010867182.

It can be written as a sum of positive squares in 4 ways, for example, as 6135529 + 2811544576 = 2477^2 + 53024^2 .

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

It is not a de Polignac number, because 2817680105 - 2⁸ = 2817679849 is a prime.

It is a super-2 number, since 2×2817680105² = 15878642348225622050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6872186 + ... + 6872595.

It is an arithmetic number, because the mean of its divisors is an integer number (432960633).

Almost surely, 2^2817680105 is an apocalyptic number.

It is an amenable number.

2817680105 is a deficient number, since it is larger than the sum of its proper divisors (646004959).

2817680105 is a wasteful number, since it uses less digits than its factorization.

2817680105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13744827.

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 2817680105 is about 53081.8246201089. The cubic root of 2817680105 is about 1412.4201190109.

The spelling of 2817680105 in words is "two billion, eight hundred seventeen million, six hundred eighty thousand, one hundred five".