108307697 has 4 divisors (see below), whose sum is σ = 114678756. Its totient is φ = 101936640.

The previous prime is 108307681. The next prime is 108307747. The reversal of 108307697 is 796703801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 796703801 = 19 ⋅41931779.

It can be written as a sum of positive squares in 2 ways, for example, as 41460721 + 66846976 = 6439^2 + 8176^2 .

It is a cyclic number.

It is not a de Polignac number, because 108307697 - 2⁴ = 108307681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108307627) 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, 3185504 + ... + 3185537.

It is an arithmetic number, because the mean of its divisors is an integer number (28669689).

Almost surely, 2^108307697 is an apocalyptic number.

108307697 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

108307697 is a deficient number, since it is larger than the sum of its proper divisors (6371059).

108307697 is an equidigital number, since it uses as much as digits as its factorization.

108307697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6371058.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 108307697 is about 10407.0983948457. The cubic root of 108307697 is about 476.6721446765.

The spelling of 108307697 in words is "one hundred eight million, three hundred seven thousand, six hundred ninety-seven".