978875363 has 2 divisors, whose sum is σ = 978875364. Its totient is φ = 978875362.

The previous prime is 978875353. The next prime is 978875389. The reversal of 978875363 is 363578879.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (363578879) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 978875363 - 2¹⁸ = 978613219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 978875299 and 978875308.

It is not a weakly prime, because it can be changed into another prime (978875353) 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, 489437681 + 489437682.

It is an arithmetic number, because the mean of its divisors is an integer number (489437682).

Almost surely, 2^978875363 is an apocalyptic number.

978875363 is a deficient number, since it is larger than the sum of its proper divisors (1).

978875363 is an equidigital number, since it uses as much as digits as its factorization.

978875363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 56.

The square root of 978875363 is about 31286.9839230310. The cubic root of 978875363 is about 992.9082807380.

The spelling of 978875363 in words is "nine hundred seventy-eight million, eight hundred seventy-five thousand, three hundred sixty-three".