998745875 has 16 divisors (see below), whose sum is σ = 1247369760. Its totient is φ = 798397600.

The previous prime is 998745871. The next prime is 998745899. The reversal of 998745875 is 578547899.

It is not a de Polignac number, because 998745875 - 2² = 998745871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (998745871) 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 in 15 ways as a sum of consecutive naturals, for example, 248381 + ... + 252369.

It is an arithmetic number, because the mean of its divisors is an integer number (77960610).

Almost surely, 2^998745875 is an apocalyptic number.

998745875 is a deficient number, since it is larger than the sum of its proper divisors (248623885).

998745875 is a wasteful number, since it uses less digits than its factorization.

998745875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6007 (or 5997 counting only the distinct ones).

The product of its digits is 25401600, while the sum is 62.

The square root of 998745875 is about 31602.9409232748. The cubic root of 998745875 is about 999.5817834526.

The spelling of 998745875 in words is "nine hundred ninety-eight million, seven hundred forty-five thousand, eight hundred seventy-five".