998982670311 has 12 divisors (see below), whose sum is σ = 1442991713592. Its totient is φ = 665980718256.

The previous prime is 998982670267. The next prime is 998982670319. The reversal of 998982670311 is 113076289899.

998982670311 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 998982670311 - 2⁷ = 998982670183 is a prime.

It is a super-2 number, since 2×998982670311² (a number of 25 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (998982670319) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 238185 + ... + 1433421.

It is an arithmetic number, because the mean of its divisors is an integer number (120249309466).

Almost surely, 2^998982670311 is an apocalyptic number.

998982670311 is a deficient number, since it is larger than the sum of its proper divisors (444009043281).

998982670311 is a wasteful number, since it uses less digits than its factorization.

998982670311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288110 (or 1288107 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 998982670311 in words is "nine hundred ninety-eight billion, nine hundred eighty-two million, six hundred seventy thousand, three hundred eleven".