108764549 has 2 divisors, whose sum is σ = 108764550. Its totient is φ = 108764548.

The previous prime is 108764543. The next prime is 108764561. The reversal of 108764549 is 945467801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105719524 + 3045025 = 10282^2 + 1745^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108764549 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108764543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54382274 + 54382275.

It is an arithmetic number, because the mean of its divisors is an integer number (54382275).

Almost surely, 2^108764549 is an apocalyptic number.

It is an amenable number.

108764549 is a deficient number, since it is larger than the sum of its proper divisors (1).

108764549 is an equidigital number, since it uses as much as digits as its factorization.

108764549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 108764549 is about 10429.0243551350. The cubic root of 108764549 is about 477.3414204365.

The spelling of 108764549 in words is "one hundred eight million, seven hundred sixty-four thousand, five hundred forty-nine".