7681465775 has 12 divisors (see below), whose sum is σ = 9548783184. Its totient is φ = 6129840000.

The previous prime is 7681465751. The next prime is 7681465853. The reversal of 7681465775 is 5775641867.

It is not a de Polignac number, because 7681465775 - 2¹⁰ = 7681464751 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7681465775.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 373091 + ... + 393140.

It is an arithmetic number, because the mean of its divisors is an integer number (795731932).

Almost surely, 2^7681465775 is an apocalyptic number.

7681465775 is a deficient number, since it is larger than the sum of its proper divisors (1867317409).

7681465775 is a wasteful number, since it uses less digits than its factorization.

7681465775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766642 (or 766637 counting only the distinct ones).

The product of its digits is 9878400, while the sum is 56.

The square root of 7681465775 is about 87643.9716980010. The cubic root of 7681465775 is about 1973.0951692578.

The spelling of 7681465775 in words is "seven billion, six hundred eighty-one million, four hundred sixty-five thousand, seven hundred seventy-five".