978089303 has 2 divisors, whose sum is σ = 978089304. Its totient is φ = 978089302.

The previous prime is 978089291. The next prime is 978089323. The reversal of 978089303 is 303980879.

It is a weak prime.

It is an emirp because it is prime and its reverse (303980879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 978089303 - 2¹⁸ = 977827159 is a prime.

It is a Sophie Germain prime.

It is equal to p_49789433 and since 978089303 and 49789433 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (978089323) 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 as a sum of consecutive naturals, namely, 489044651 + 489044652.

It is an arithmetic number, because the mean of its divisors is an integer number (489044652).

Almost surely, 2^978089303 is an apocalyptic number.

978089303 is a deficient number, since it is larger than the sum of its proper divisors (1).

978089303 is an equidigital number, since it uses as much as digits as its factorization.

978089303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 978089303 is about 31274.4193071590. The cubic root of 978089303 is about 992.6424333101.

The spelling of 978089303 in words is "nine hundred seventy-eight million, eighty-nine thousand, three hundred three".