198800507 has 2 divisors, whose sum is σ = 198800508. Its totient is φ = 198800506.

The previous prime is 198800453. The next prime is 198800531. The reversal of 198800507 is 705008891.

It is a strong prime.

It is an emirp because it is prime and its reverse (705008891) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 198800507 - 2¹⁶ = 198734971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (198800557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 99400253 + 99400254.

It is an arithmetic number, because the mean of its divisors is an integer number (99400254).

Almost surely, 2^198800507 is an apocalyptic number.

198800507 is a deficient number, since it is larger than the sum of its proper divisors (1).

198800507 is an equidigital number, since it uses as much as digits as its factorization.

198800507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 38.

The square root of 198800507 is about 14099.6633647758. The cubic root of 198800507 is about 583.6320896495.

The spelling of 198800507 in words is "one hundred ninety-eight million, eight hundred thousand, five hundred seven".