998282879 has 4 divisors (see below), whose sum is σ = 1089035880. Its totient is φ = 907529880.

The previous prime is 998282851. The next prime is 998282881. The reversal of 998282879 is 978282899.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978282899 = 11 ⋅88934809.

It is a cyclic number.

It is not a de Polignac number, because 998282879 - 2²⁸ = 729847423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998282839) 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 3 ways as a sum of consecutive naturals, for example, 45376484 + ... + 45376505.

It is an arithmetic number, because the mean of its divisors is an integer number (272258970).

Almost surely, 2^998282879 is an apocalyptic number.

998282879 is a deficient number, since it is larger than the sum of its proper divisors (90753001).

998282879 is a wasteful number, since it uses less digits than its factorization.

998282879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90753000.

The product of its digits is 10450944, while the sum is 62.

The square root of 998282879 is about 31595.6148697885. The cubic root of 998282879 is about 999.4272984088.

The spelling of 998282879 in words is "nine hundred ninety-eight million, two hundred eighty-two thousand, eight hundred seventy-nine".