36978563 has 2 divisors, whose sum is σ = 36978564. Its totient is φ = 36978562.

The previous prime is 36978559. The next prime is 36978569. The reversal of 36978563 is 36587963.

36978563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 36978563 - 2² = 36978559 is a prime.

It is not a weakly prime, because it can be changed into another prime (36978569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18489281 + 18489282.

It is an arithmetic number, because the mean of its divisors is an integer number (18489282).

Almost surely, 2^36978563 is an apocalyptic number.

36978563 is a deficient number, since it is larger than the sum of its proper divisors (1).

36978563 is an equidigital number, since it uses as much as digits as its factorization.

36978563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 47.

The square root of 36978563 is about 6081.0001644466. Note that the first 3 decimals coincide. The cubic root of 36978563 is about 333.1578188224.

The spelling of 36978563 in words is "thirty-six million, nine hundred seventy-eight thousand, five hundred sixty-three".