998337727 has 2 divisors, whose sum is σ = 998337728. Its totient is φ = 998337726.

The previous prime is 998337667. The next prime is 998337757. The reversal of 998337727 is 727733899.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 998337727 - 2²³ = 989949119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (998337757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 499168863 + 499168864.

It is an arithmetic number, because the mean of its divisors is an integer number (499168864).

Almost surely, 2^998337727 is an apocalyptic number.

998337727 is a deficient number, since it is larger than the sum of its proper divisors (1).

998337727 is an equidigital number, since it uses as much as digits as its factorization.

998337727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000752, while the sum is 55.

The square root of 998337727 is about 31596.4828264160. The cubic root of 998337727 is about 999.4456016993.

The spelling of 998337727 in words is "nine hundred ninety-eight million, three hundred thirty-seven thousand, seven hundred twenty-seven".