108199937 has 2 divisors, whose sum is σ = 108199938. Its totient is φ = 108199936.

The previous prime is 108199933. The next prime is 108199939. The reversal of 108199937 is 739991801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79727041 + 28472896 = 8929^2 + 5336^2 .

It is a cyclic number.

It is not a de Polignac number, because 108199937 - 2² = 108199933 is a prime.

Together with 108199939, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 108199891 and 108199900.

It is not a weakly prime, because it can be changed into another prime (108199933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54099968 + 54099969.

It is an arithmetic number, because the mean of its divisors is an integer number (54099969).

It is a Proth number, since it is equal to 1651 ⋅ 2¹⁶ + 1 and 1651 < 2¹⁶.

Almost surely, 2^108199937 is an apocalyptic number.

It is an amenable number.

108199937 is a deficient number, since it is larger than the sum of its proper divisors (1).

108199937 is an equidigital number, since it uses as much as digits as its factorization.

108199937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 122472, while the sum is 47.

The square root of 108199937 is about 10401.9198708700. The cubic root of 108199937 is about 476.5140049917.

The spelling of 108199937 in words is "one hundred eight million, one hundred ninety-nine thousand, nine hundred thirty-seven".