1768768853 has 2 divisors, whose sum is σ = 1768768854. Its totient is φ = 1768768852.

The previous prime is 1768768849. The next prime is 1768768867. The reversal of 1768768853 is 3588678671.

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., 1755358609 + 13410244 = 41897^2 + 3662^2 .

It is a cyclic number.

It is not a de Polignac number, because 1768768853 - 2² = 1768768849 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1768768792 and 1768768801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1768768453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 884384426 + 884384427.

It is an arithmetic number, because the mean of its divisors is an integer number (884384427).

Almost surely, 2^1768768853 is an apocalyptic number.

It is an amenable number.

1768768853 is a deficient number, since it is larger than the sum of its proper divisors (1).

1768768853 is an equidigital number, since it uses as much as digits as its factorization.

1768768853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 59.

The square root of 1768768853 is about 42056.7337414593. The cubic root of 1768768853 is about 1209.3639744140.

The spelling of 1768768853 in words is "one billion, seven hundred sixty-eight million, seven hundred sixty-eight thousand, eight hundred fifty-three".