598778371 has 2 divisors, whose sum is σ = 598778372. Its totient is φ = 598778370.

The previous prime is 598778357. The next prime is 598778377. The reversal of 598778371 is 173877895.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 598778371 - 2¹¹ = 598776323 is a prime.

It is not a weakly prime, because it can be changed into another prime (598778377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 299389185 + 299389186.

It is an arithmetic number, because the mean of its divisors is an integer number (299389186).

Almost surely, 2^598778371 is an apocalyptic number.

598778371 is a deficient number, since it is larger than the sum of its proper divisors (1).

598778371 is an equidigital number, since it uses as much as digits as its factorization.

598778371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2963520, while the sum is 55.

The square root of 598778371 is about 24469.9483244244. The cubic root of 598778371 is about 842.8598531438.

The spelling of 598778371 in words is "five hundred ninety-eight million, seven hundred seventy-eight thousand, three hundred seventy-one".