107081809 has 2 divisors, whose sum is σ = 107081810. Its totient is φ = 107081808.

The previous prime is 107081761. The next prime is 107081857. The reversal of 107081809 is 908180701.

It is a balanced prime because it is at equal distance from previous prime (107081761) and next prime (107081857).

It can be written as a sum of positive squares in only one way, i.e., 69222400 + 37859409 = 8320^2 + 6153^2 .

It is a cyclic number.

It is not a de Polignac number, because 107081809 - 2²¹ = 104984657 is a prime.

It is a super-2 number, since 2×107081809² = 22933027637424962, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (107081899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53540904 + 53540905.

It is an arithmetic number, because the mean of its divisors is an integer number (53540905).

Almost surely, 2^107081809 is an apocalyptic number.

It is an amenable number.

107081809 is a deficient number, since it is larger than the sum of its proper divisors (1).

107081809 is an equidigital number, since it uses as much as digits as its factorization.

107081809 is an evil number, because the sum of its binary digits is even.

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

The square root of 107081809 is about 10348.0340644975. The cubic root of 107081809 is about 474.8669012123.

The spelling of 107081809 in words is "one hundred seven million, eighty-one thousand, eight hundred nine".