198795763 has 2 divisors, whose sum is σ = 198795764. Its totient is φ = 198795762.

The previous prime is 198795761. The next prime is 198795797. The reversal of 198795763 is 367597891.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 198795763 - 2¹ = 198795761 is a prime.

Together with 198795761, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (198795761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99397881 + 99397882.

It is an arithmetic number, because the mean of its divisors is an integer number (99397882).

Almost surely, 2^198795763 is an apocalyptic number.

198795763 is a deficient number, since it is larger than the sum of its proper divisors (1).

198795763 is an equidigital number, since it uses as much as digits as its factorization.

198795763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2857680, while the sum is 55.

The square root of 198795763 is about 14099.4951328053. The cubic root of 198795763 is about 583.6274471854.

The spelling of 198795763 in words is "one hundred ninety-eight million, seven hundred ninety-five thousand, seven hundred sixty-three".