108720847 has 2 divisors, whose sum is σ = 108720848. Its totient is φ = 108720846.

The previous prime is 108720817. The next prime is 108720877. The reversal of 108720847 is 748027801.

It is a balanced prime because it is at equal distance from previous prime (108720817) and next prime (108720877).

It is an emirp because it is prime and its reverse (748027801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108720847 - 2⁷ = 108720719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108720817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54360423 + 54360424.

It is an arithmetic number, because the mean of its divisors is an integer number (54360424).

Almost surely, 2^108720847 is an apocalyptic number.

108720847 is a deficient number, since it is larger than the sum of its proper divisors (1).

108720847 is an equidigital number, since it uses as much as digits as its factorization.

108720847 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 108720847 is about 10426.9289342548. The cubic root of 108720847 is about 477.2774793529.

The spelling of 108720847 in words is "one hundred eight million, seven hundred twenty thousand, eight hundred forty-seven".