109579207 has 2 divisors, whose sum is σ = 109579208. Its totient is φ = 109579206.

The previous prime is 109579193. The next prime is 109579247. The reversal of 109579207 is 702975901.

It is an a-pointer prime, because the next prime (109579247) can be obtained adding 109579207 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 109579207 - 2¹¹ = 109577159 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109579207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (109579247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54789603 + 54789604.

It is an arithmetic number, because the mean of its divisors is an integer number (54789604).

Almost surely, 2^109579207 is an apocalyptic number.

109579207 is a deficient number, since it is larger than the sum of its proper divisors (1).

109579207 is an equidigital number, since it uses as much as digits as its factorization.

109579207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39690, while the sum is 40.

The square root of 109579207 is about 10468.0087409211. The cubic root of 109579207 is about 478.5302365165.

It can be divided in two parts, 10957 and 9207, that added together give a square (20164 = 142²).

The spelling of 109579207 in words is "one hundred nine million, five hundred seventy-nine thousand, two hundred seven".