7646864065 has 8 divisors (see below), whose sum is σ = 9193785408. Its totient is φ = 6105792240.

The previous prime is 7646864053. The next prime is 7646864077. The reversal of 7646864065 is 5604686467.

It is an interprime number because it is at equal distance from previous prime (7646864053) and next prime (7646864077).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7646864065 - 2¹¹ = 7646862017 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1459501 + ... + 1464730.

It is an arithmetic number, because the mean of its divisors is an integer number (1149223176).

Almost surely, 2^7646864065 is an apocalyptic number.

It is an amenable number.

7646864065 is a deficient number, since it is larger than the sum of its proper divisors (1546921343).

7646864065 is a wasteful number, since it uses less digits than its factorization.

7646864065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924759.

The product of its (nonzero) digits is 5806080, while the sum is 52.

The square root of 7646864065 is about 87446.3496379351. The cubic root of 7646864065 is about 1970.1280603363.

The spelling of 7646864065 in words is "seven billion, six hundred forty-six million, eight hundred sixty-four thousand, sixty-five".