998798894803 has 2 divisors, whose sum is σ = 998798894804. Its totient is φ = 998798894802.

The previous prime is 998798894801. The next prime is 998798894813. The reversal of 998798894803 is 308498897899.

998798894803 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 not a de Polignac number, because 998798894803 - 2¹ = 998798894801 is a prime.

Together with 998798894801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (998798894801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499399447401 + 499399447402.

It is an arithmetic number, because the mean of its divisors is an integer number (499399447402).

Almost surely, 2^998798894803 is an apocalyptic number.

998798894803 is a deficient number, since it is larger than the sum of its proper divisors (1).

998798894803 is an equidigital number, since it uses as much as digits as its factorization.

998798894803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2257403904, while the sum is 82.

The spelling of 998798894803 in words is "nine hundred ninety-eight billion, seven hundred ninety-eight million, eight hundred ninety-four thousand, eight hundred three".