107809081 has 2 divisors, whose sum is σ = 107809082. Its totient is φ = 107809080.

The previous prime is 107809069. The next prime is 107809111. The reversal of 107809081 is 180908701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105904681 + 1904400 = 10291^2 + 1380^2 .

It is an emirp because it is prime and its reverse (180908701) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 107809081 - 2¹⁵ = 107776313 is a prime.

It is a super-2 number, since 2×107809081² = 23245595892129122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107809381) 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, 53904540 + 53904541.

It is an arithmetic number, because the mean of its divisors is an integer number (53904541).

Almost surely, 2^107809081 is an apocalyptic number.

It is an amenable number.

107809081 is a deficient number, since it is larger than the sum of its proper divisors (1).

107809081 is an equidigital number, since it uses as much as digits as its factorization.

107809081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 34.

The square root of 107809081 is about 10383.1151876496. The cubic root of 107809081 is about 475.9395343127.

The spelling of 107809081 in words is "one hundred seven million, eight hundred nine thousand, eighty-one".