7647796065 has 32 divisors (see below), whose sum is σ = 15060278016. Its totient is φ = 3227201280.

The previous prime is 7647796021. The next prime is 7647796099. The reversal of 7647796065 is 5606977467.

It is not a de Polignac number, because 7647796065 - 2⁹ = 7647795553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7647795996 and 7647796014.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2800026 + ... + 2802755.

It is an arithmetic number, because the mean of its divisors is an integer number (470633688).

Almost surely, 2^7647796065 is an apocalyptic number.

It is an amenable number.

7647796065 is a deficient number, since it is larger than the sum of its proper divisors (7412481951).

7647796065 is a wasteful number, since it uses less digits than its factorization.

7647796065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5602809.

The product of its (nonzero) digits is 13335840, while the sum is 57.

The square root of 7647796065 is about 87451.6784573058. The cubic root of 7647796065 is about 1970.2080968386.

The spelling of 7647796065 in words is "seven billion, six hundred forty-seven million, seven hundred ninety-six thousand, sixty-five".