8270004661 has 2 divisors, whose sum is σ = 8270004662. Its totient is φ = 8270004660.

The previous prime is 8270004647. The next prime is 8270004679. The reversal of 8270004661 is 1664000728.

8270004661 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8268264900 + 1739761 = 90930^2 + 1319^2 .

It is a cyclic number.

It is not a de Polignac number, because 8270004661 - 2⁵ = 8270004629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8270704661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4135002330 + 4135002331.

It is an arithmetic number, because the mean of its divisors is an integer number (4135002331).

Almost surely, 2^8270004661 is an apocalyptic number.

It is an amenable number.

8270004661 is a deficient number, since it is larger than the sum of its proper divisors (1).

8270004661 is an equidigital number, since it uses as much as digits as its factorization.

8270004661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 8270004661 is about 90939.5659820301. The cubic root of 8270004661 is about 2022.2518967979.

The spelling of 8270004661 in words is "eight billion, two hundred seventy million, four thousand, six hundred sixty-one".