761685671 has 2 divisors, whose sum is σ = 761685672. Its totient is φ = 761685670.

The previous prime is 761685643. The next prime is 761685679. The reversal of 761685671 is 176586167.

It is a strong prime.

It is an emirp because it is prime and its reverse (176586167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761685671 - 2⁶ = 761685607 is a prime.

It is a super-2 number, since 2×761685671² = 1160330122813440482, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761685679) 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, 380842835 + 380842836.

It is an arithmetic number, because the mean of its divisors is an integer number (380842836).

Almost surely, 2^761685671 is an apocalyptic number.

761685671 is a deficient number, since it is larger than the sum of its proper divisors (1).

761685671 is an equidigital number, since it uses as much as digits as its factorization.

761685671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 423360, while the sum is 47.

The square root of 761685671 is about 27598.6534272960. The cubic root of 761685671 is about 913.2547264681.

The spelling of 761685671 in words is "seven hundred sixty-one million, six hundred eighty-five thousand, six hundred seventy-one".