5303978565 has 16 divisors (see below), whose sum is σ = 8488972800. Its totient is φ = 2827919552.

The previous prime is 5303978543. The next prime is 5303978579. The reversal of 5303978565 is 5658793035.

It is a cyclic number.

It is not a de Polignac number, because 5303978565 - 2⁷ = 5303978437 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2250 + ... + 103019.

It is an arithmetic number, because the mean of its divisors is an integer number (530560800).

Almost surely, 2^5303978565 is an apocalyptic number.

It is an amenable number.

5303978565 is a deficient number, since it is larger than the sum of its proper divisors (3184994235).

5303978565 is a wasteful number, since it uses less digits than its factorization.

5303978565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108636.

The product of its (nonzero) digits is 3402000, while the sum is 51.

The square root of 5303978565 is about 72828.4186633213. The cubic root of 5303978565 is about 1743.9495614156.

It can be divided in two parts, 53039785 and 65, that added together give a triangular number (53039850 = T₁₀₂₉₉).

The spelling of 5303978565 in words is "five billion, three hundred three million, nine hundred seventy-eight thousand, five hundred sixty-five".