109217707 has 8 divisors (see below), whose sum is σ = 118103616. Its totient is φ = 100605312.

The previous prime is 109217701. The next prime is 109217723. The reversal of 109217707 is 707712901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-109217707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109217701) 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 in 7 ways as a sum of consecutive naturals, for example, 67548 + ... + 69145.

It is an arithmetic number, because the mean of its divisors is an integer number (14762952).

Almost surely, 2^109217707 is an apocalyptic number.

109217707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

109217707 is a deficient number, since it is larger than the sum of its proper divisors (8885909).

109217707 is a wasteful number, since it uses less digits than its factorization.

109217707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136757.

The product of its (nonzero) digits is 6174, while the sum is 34.

The square root of 109217707 is about 10450.7275823265. The cubic root of 109217707 is about 478.0034356645.

The spelling of 109217707 in words is "one hundred nine million, two hundred seventeen thousand, seven hundred seven".