8408008061 has 2 divisors, whose sum is σ = 8408008062. Its totient is φ = 8408008060.

The previous prime is 8408008043. The next prime is 8408008069. The reversal of 8408008061 is 1608008048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5173924900 + 3234083161 = 71930^2 + 56869^2 .

It is a cyclic number.

It is not a de Polignac number, because 8408008061 - 2¹⁰ = 8408007037 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8408008069) 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 as a sum of consecutive naturals, namely, 4204004030 + 4204004031.

It is an arithmetic number, because the mean of its divisors is an integer number (4204004031).

Almost surely, 2^8408008061 is an apocalyptic number.

It is an amenable number.

8408008061 is a deficient number, since it is larger than the sum of its proper divisors (1).

8408008061 is an equidigital number, since it uses as much as digits as its factorization.

8408008061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12288, while the sum is 35.

The square root of 8408008061 is about 91695.1910462048. The cubic root of 8408008061 is about 2033.4384897302.

The spelling of 8408008061 in words is "eight billion, four hundred eight million, eight thousand, sixty-one".