761609968871 has 2 divisors, whose sum is σ = 761609968872. Its totient is φ = 761609968870.

The previous prime is 761609968813. The next prime is 761609968879. The reversal of 761609968871 is 178869906167.

It is a strong prime.

It is an emirp because it is prime and its reverse (178869906167) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 761609968871 - 2¹⁴ = 761609952487 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761609968879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380804984435 + 380804984436.

It is an arithmetic number, because the mean of its divisors is an integer number (380804984436).

Almost surely, 2^761609968871 is an apocalyptic number.

761609968871 is a deficient number, since it is larger than the sum of its proper divisors (1).

761609968871 is an equidigital number, since it uses as much as digits as its factorization.

761609968871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54867456, while the sum is 68.

The spelling of 761609968871 in words is "seven hundred sixty-one billion, six hundred nine million, nine hundred sixty-eight thousand, eight hundred seventy-one".