108391607 has 2 divisors, whose sum is σ = 108391608. Its totient is φ = 108391606.

The previous prime is 108391601. The next prime is 108391631. The reversal of 108391607 is 706193801.

It is a weak prime.

It is an emirp because it is prime and its reverse (706193801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108391607 - 2⁸ = 108391351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108391601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54195803 + 54195804.

It is an arithmetic number, because the mean of its divisors is an integer number (54195804).

Almost surely, 2^108391607 is an apocalyptic number.

108391607 is a deficient number, since it is larger than the sum of its proper divisors (1).

108391607 is an equidigital number, since it uses as much as digits as its factorization.

108391607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 108391607 is about 10411.1289973758. The cubic root of 108391607 is about 476.7952114453.

The spelling of 108391607 in words is "one hundred eight million, three hundred ninety-one thousand, six hundred seven".