107687389 has 2 divisors, whose sum is σ = 107687390. Its totient is φ = 107687388.

The previous prime is 107687381. The next prime is 107687413. The reversal of 107687389 is 983786701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87572164 + 20115225 = 9358^2 + 4485^2 .

It is a cyclic number.

It is not a de Polignac number, because 107687389 - 2³ = 107687381 is a prime.

It is a super-3 number, since 3×107687389³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (107687381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53843694 + 53843695.

It is an arithmetic number, because the mean of its divisors is an integer number (53843695).

Almost surely, 2^107687389 is an apocalyptic number.

It is an amenable number.

107687389 is a deficient number, since it is larger than the sum of its proper divisors (1).

107687389 is an equidigital number, since it uses as much as digits as its factorization.

107687389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 107687389 is about 10377.2534420241. The cubic root of 107687389 is about 475.7603909633.

The spelling of 107687389 in words is "one hundred seven million, six hundred eighty-seven thousand, three hundred eighty-nine".