109807807 has 2 divisors, whose sum is σ = 109807808. Its totient is φ = 109807806.

The previous prime is 109807781. The next prime is 109807861. The reversal of 109807807 is 708708901.

It is a weak prime.

It is an emirp because it is prime and its reverse (708708901) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109807807 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109807807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109807877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54903903 + 54903904.

It is an arithmetic number, because the mean of its divisors is an integer number (54903904).

Almost surely, 2^109807807 is an apocalyptic number.

109807807 is a deficient number, since it is larger than the sum of its proper divisors (1).

109807807 is an equidigital number, since it uses as much as digits as its factorization.

109807807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28224, while the sum is 40.

The square root of 109807807 is about 10478.9220342552. The cubic root of 109807807 is about 478.8627692822.

The spelling of 109807807 in words is "one hundred nine million, eight hundred seven thousand, eight hundred seven".