8275757661 has 16 divisors (see below), whose sum is σ = 12468187200. Its totient is φ = 5423659344.

The previous prime is 8275757599. The next prime is 8275757669. The reversal of 8275757661 is 1667575728.

It is a happy number.

8275757661 is a `hidden beast` number, since 8 + 2 + 7 + 5 + 7 + 576 + 61 = 666.

It is not a de Polignac number, because 8275757661 - 2¹¹ = 8275755613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8275757598 and 8275757607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8275757669) 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, 2595946 + ... + 2599131.

It is an arithmetic number, because the mean of its divisors is an integer number (779261700).

Almost surely, 2^8275757661 is an apocalyptic number.

It is an amenable number.

8275757661 is a deficient number, since it is larger than the sum of its proper divisors (4192429539).

8275757661 is a wasteful number, since it uses less digits than its factorization.

8275757661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5195145 (or 5195139 counting only the distinct ones).

The product of its digits is 4939200, while the sum is 54.

The square root of 8275757661 is about 90971.1913794691. The cubic root of 8275757661 is about 2022.7207122727.

The spelling of 8275757661 in words is "eight billion, two hundred seventy-five million, seven hundred fifty-seven thousand, six hundred sixty-one".