76853704121 has 2 divisors, whose sum is σ = 76853704122. Its totient is φ = 76853704120.

The previous prime is 76853704111. The next prime is 76853704139. The reversal of 76853704121 is 12140735867.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42080778496 + 34772925625 = 205136^2 + 186475^2 .

It is a cyclic number.

It is not a de Polignac number, because 76853704121 - 2³⁴ = 59673834937 is a prime.

It is not a weakly prime, because it can be changed into another prime (76853704111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38426852060 + 38426852061.

It is an arithmetic number, because the mean of its divisors is an integer number (38426852061).

Almost surely, 2^76853704121 is an apocalyptic number.

It is an amenable number.

76853704121 is a deficient number, since it is larger than the sum of its proper divisors (1).

76853704121 is an equidigital number, since it uses as much as digits as its factorization.

76853704121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 76853704121 in words is "seventy-six billion, eight hundred fifty-three million, seven hundred four thousand, one hundred twenty-one".