761768339077 has 2 divisors, whose sum is σ = 761768339078. Its totient is φ = 761768339076.

The previous prime is 761768339023. The next prime is 761768339119. The reversal of 761768339077 is 770933867167.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543580323841 + 218188015236 = 737279^2 + 467106^2 .

It is a cyclic number.

It is not a de Polignac number, because 761768339077 - 2³⁹ = 212012525189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (761768339377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 380884169538 + 380884169539.

It is an arithmetic number, because the mean of its divisors is an integer number (380884169539).

Almost surely, 2^761768339077 is an apocalyptic number.

It is an amenable number.

761768339077 is a deficient number, since it is larger than the sum of its proper divisors (1).

761768339077 is an equidigital number, since it uses as much as digits as its factorization.

761768339077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56010528, while the sum is 64.

It can be divided in two parts, 76176 and 8339077, that added together give a triangular number (8415253 = T₄₁₀₂).

The spelling of 761768339077 in words is "seven hundred sixty-one billion, seven hundred sixty-eight million, three hundred thirty-nine thousand, seventy-seven".