4608778065 has 16 divisors (see below), whose sum is σ = 7694656128. Its totient is φ = 2351144576.

The previous prime is 4608778063. The next prime is 4608778087. The reversal of 4608778065 is 5608778064.

It is a cyclic number.

It is not a de Polignac number, because 4608778065 - 2¹ = 4608778063 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4608777999 and 4608778017.

It is not an unprimeable number, because it can be changed into a prime (4608778063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6679044 + ... + 6679733.

It is an arithmetic number, because the mean of its divisors is an integer number (480916008).

Almost surely, 2^4608778065 is an apocalyptic number.

It is an amenable number.

4608778065 is a deficient number, since it is larger than the sum of its proper divisors (3085878063).

4608778065 is a wasteful number, since it uses less digits than its factorization.

4608778065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13358808.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The square root of 4608778065 is about 67887.9817419843. The cubic root of 4608778065 is about 1664.1607129170.

Subtracting 4608778065 from its reverse (5608778064), we obtain a palindrome (999999999).

The spelling of 4608778065 in words is "four billion, six hundred eight million, seven hundred seventy-eight thousand, sixty-five".