760661813 has 2 divisors, whose sum is σ = 760661814. Its totient is φ = 760661812.

The previous prime is 760661767. The next prime is 760661917. The reversal of 760661813 is 318166067.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 668636164 + 92025649 = 25858^2 + 9593^2 .

It is a cyclic number.

It is not a de Polignac number, because 760661813 - 2⁶ = 760661749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (760661513) 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, 380330906 + 380330907.

It is an arithmetic number, because the mean of its divisors is an integer number (380330907).

Almost surely, 2^760661813 is an apocalyptic number.

It is an amenable number.

760661813 is a deficient number, since it is larger than the sum of its proper divisors (1).

760661813 is an equidigital number, since it uses as much as digits as its factorization.

760661813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 760661813 is about 27580.0981325303. The cubic root of 760661813 is about 912.8453439331.

The spelling of 760661813 in words is "seven hundred sixty million, six hundred sixty-one thousand, eight hundred thirteen".