104727097661 has 2 divisors, whose sum is σ = 104727097662. Its totient is φ = 104727097660.

The previous prime is 104727097597. The next prime is 104727097667. The reversal of 104727097661 is 166790727401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 100264056025 + 4463041636 = 316645^2 + 66806^2 .

It is a cyclic number.

It is not a de Polignac number, because 104727097661 - 2⁶ = 104727097597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104727097667) 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, 52363548830 + 52363548831.

It is an arithmetic number, because the mean of its divisors is an integer number (52363548831).

Almost surely, 2^104727097661 is an apocalyptic number.

It is an amenable number.

104727097661 is a deficient number, since it is larger than the sum of its proper divisors (1).

104727097661 is an equidigital number, since it uses as much as digits as its factorization.

104727097661 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 104727097661 in words is "one hundred four billion, seven hundred twenty-seven million, ninety-seven thousand, six hundred sixty-one".