761686141 has 2 divisors, whose sum is σ = 761686142. Its totient is φ = 761686140.

The previous prime is 761686111. The next prime is 761686169. The reversal of 761686141 is 141686167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 613552900 + 148133241 = 24770^2 + 12171^2 .

It is a cyclic number.

It is not a de Polignac number, because 761686141 - 2⁵ = 761686109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 761686094 and 761686103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761686111) 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, 380843070 + 380843071.

It is an arithmetic number, because the mean of its divisors is an integer number (380843071).

Almost surely, 2^761686141 is an apocalyptic number.

It is an amenable number.

761686141 is a deficient number, since it is larger than the sum of its proper divisors (1).

761686141 is an equidigital number, since it uses as much as digits as its factorization.

761686141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 40.

The square root of 761686141 is about 27598.6619422029. The cubic root of 761686141 is about 913.2549143101.

The spelling of 761686141 in words is "seven hundred sixty-one million, six hundred eighty-six thousand, one hundred forty-one".