7813106761 has 2 divisors, whose sum is σ = 7813106762. Its totient is φ = 7813106760.

The previous prime is 7813106759. The next prime is 7813106767. The reversal of 7813106761 is 1676013187.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7039210000 + 773896761 = 83900^2 + 27819^2 .

It is a cyclic number.

It is not a de Polignac number, because 7813106761 - 2¹ = 7813106759 is a prime.

It is a super-2 number, since 2×7813106761² (a number of 21 digits) contains 22 as substring.

Together with 7813106759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7813106767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3906553380 + 3906553381.

It is an arithmetic number, because the mean of its divisors is an integer number (3906553381).

Almost surely, 2^7813106761 is an apocalyptic number.

It is an amenable number.

7813106761 is a deficient number, since it is larger than the sum of its proper divisors (1).

7813106761 is an equidigital number, since it uses as much as digits as its factorization.

7813106761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 40.

The square root of 7813106761 is about 88391.7799402184. The cubic root of 7813106761 is about 1984.3026828598.

The spelling of 7813106761 in words is "seven billion, eight hundred thirteen million, one hundred six thousand, seven hundred sixty-one".