108920797 has 2 divisors, whose sum is σ = 108920798. Its totient is φ = 108920796.

The previous prime is 108920741. The next prime is 108920803. The reversal of 108920797 is 797029801.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108868356 + 52441 = 10434^2 + 229^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108920797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108920297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54460398 + 54460399.

It is an arithmetic number, because the mean of its divisors is an integer number (54460399).

Almost surely, 2^108920797 is an apocalyptic number.

It is an amenable number.

108920797 is a deficient number, since it is larger than the sum of its proper divisors (1).

108920797 is an equidigital number, since it uses as much as digits as its factorization.

108920797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 43.

The square root of 108920797 is about 10436.5126838422. The cubic root of 108920797 is about 477.5698893526.

The spelling of 108920797 in words is "one hundred eight million, nine hundred twenty thousand, seven hundred ninety-seven".