998770363 has 2 divisors, whose sum is σ = 998770364. Its totient is φ = 998770362.

The previous prime is 998770343. The next prime is 998770391. The reversal of 998770363 is 363077899.

998770363 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-998770363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 998770363.

It is not a weakly prime, because it can be changed into another prime (998770343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499385181 + 499385182.

It is an arithmetic number, because the mean of its divisors is an integer number (499385182).

Almost surely, 2^998770363 is an apocalyptic number.

998770363 is a deficient number, since it is larger than the sum of its proper divisors (1).

998770363 is an equidigital number, since it uses as much as digits as its factorization.

998770363 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1714608, while the sum is 52.

The square root of 998770363 is about 31603.3283531972. The cubic root of 998770363 is about 999.5899528843.

The spelling of 998770363 in words is "nine hundred ninety-eight million, seven hundred seventy thousand, three hundred sixty-three".