109687937 has 2 divisors, whose sum is σ = 109687938. Its totient is φ = 109687936.

The previous prime is 109687913. The next prime is 109687967. The reversal of 109687937 is 739786901.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67749361 + 41938576 = 8231^2 + 6476^2 .

It is a cyclic number.

It is not a de Polignac number, because 109687937 - 2¹⁸ = 109425793 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (109687967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54843968 + 54843969.

It is an arithmetic number, because the mean of its divisors is an integer number (54843969).

Almost surely, 2^109687937 is an apocalyptic number.

It is an amenable number.

109687937 is a deficient number, since it is larger than the sum of its proper divisors (1).

109687937 is an equidigital number, since it uses as much as digits as its factorization.

109687937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 109687937 is about 10473.2008956193. The cubic root of 109687937 is about 478.6884581184.

The spelling of 109687937 in words is "one hundred nine million, six hundred eighty-seven thousand, nine hundred thirty-seven".