4778196065 has 16 divisors (see below), whose sum is σ = 6009292800. Its totient is φ = 3640372032.

The previous prime is 4778196061. The next prime is 4778196083. The reversal of 4778196065 is 5606918774.

It is a cyclic number.

It is not a de Polignac number, because 4778196065 - 2² = 4778196061 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4778195998 and 4778196016.

It is not an unprimeable number, because it can be changed into a prime (4778196061) 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 in 15 ways as a sum of consecutive naturals, for example, 64385 + ... + 117054.

It is an arithmetic number, because the mean of its divisors is an integer number (375580800).

Almost surely, 2^4778196065 is an apocalyptic number.

It is an amenable number.

4778196065 is a deficient number, since it is larger than the sum of its proper divisors (1231096735).

4778196065 is a wasteful number, since it uses less digits than its factorization.

4778196065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181696.

The product of its (nonzero) digits is 2540160, while the sum is 53.

The square root of 4778196065 is about 69124.4968516951. The cubic root of 4778196065 is about 1684.3072657192.

The spelling of 4778196065 in words is "four billion, seven hundred seventy-eight million, one hundred ninety-six thousand, sixty-five".