108247691 has 12 divisors (see below), whose sum is σ = 115926720. Its totient is φ = 100852080.

The previous prime is 108247669. The next prime is 108247697. The reversal of 108247691 is 196742801.

It is a de Polignac number, because none of the positive numbers 2^k-108247691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108247697) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 311780 + ... + 312126.

It is an arithmetic number, because the mean of its divisors is an integer number (9660560).

Almost surely, 2^108247691 is an apocalyptic number.

108247691 is a deficient number, since it is larger than the sum of its proper divisors (7679029).

108247691 is an frugal number, since it uses more digits than its factorization.

108247691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 754 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 108247691 is about 10404.2150592921. The cubic root of 108247691 is about 476.5840977710.

The spelling of 108247691 in words is "one hundred eight million, two hundred forty-seven thousand, six hundred ninety-one".