107909657 has 2 divisors, whose sum is σ = 107909658. Its totient is φ = 107909656.

The previous prime is 107909623. The next prime is 107909699. The reversal of 107909657 is 756909701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85451536 + 22458121 = 9244^2 + 4739^2 .

It is a cyclic number.

It is not a de Polignac number, because 107909657 - 2⁸ = 107909401 is a prime.

It is not a weakly prime, because it can be changed into another prime (107909617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53954828 + 53954829.

It is an arithmetic number, because the mean of its divisors is an integer number (53954829).

Almost surely, 2^107909657 is an apocalyptic number.

It is an amenable number.

107909657 is a deficient number, since it is larger than the sum of its proper divisors (1).

107909657 is an equidigital number, since it uses as much as digits as its factorization.

107909657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 107909657 is about 10387.9573064198. The cubic root of 107909657 is about 476.0874909794.

Adding to 107909657 its sum of digits (44), we get a palindrome (107909701).

The spelling of 107909657 in words is "one hundred seven million, nine hundred nine thousand, six hundred fifty-seven".