108768949 has 2 divisors, whose sum is σ = 108768950. Its totient is φ = 108768948.

The previous prime is 108768943. The next prime is 108768983. The reversal of 108768949 is 949867801.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 41692849 = 8190^2 + 6457^2 .

It is an emirp because it is prime and its reverse (949867801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108768949 - 2⁹ = 108768437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108768896 and 108768905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108768943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54384474 + 54384475.

It is an arithmetic number, because the mean of its divisors is an integer number (54384475).

Almost surely, 2^108768949 is an apocalyptic number.

It is an amenable number.

108768949 is a deficient number, since it is larger than the sum of its proper divisors (1).

108768949 is an equidigital number, since it uses as much as digits as its factorization.

108768949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 108768949 is about 10429.2353027439. The cubic root of 108768949 is about 477.3478571966.

The spelling of 108768949 in words is "one hundred eight million, seven hundred sixty-eight thousand, nine hundred forty-nine".