988659379 has 2 divisors, whose sum is σ = 988659380. Its totient is φ = 988659378.

The previous prime is 988659377. The next prime is 988659383. The reversal of 988659379 is 973956889.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 988659379 - 2¹ = 988659377 is a prime.

Together with 988659377, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 988659379.

It is not a weakly prime, because it can be changed into another prime (988659377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494329689 + 494329690.

It is an arithmetic number, because the mean of its divisors is an integer number (494329690).

Almost surely, 2^988659379 is an apocalyptic number.

988659379 is a deficient number, since it is larger than the sum of its proper divisors (1).

988659379 is an equidigital number, since it uses as much as digits as its factorization.

988659379 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 64.

The square root of 988659379 is about 31442.9543618280. The cubic root of 988659379 is about 996.2054123169.

The spelling of 988659379 in words is "nine hundred eighty-eight million, six hundred fifty-nine thousand, three hundred seventy-nine".