7700766677 has 2 divisors, whose sum is σ = 7700766678. Its totient is φ = 7700766676.

The previous prime is 7700766649. The next prime is 7700766727. The reversal of 7700766677 is 7766670077.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5865415396 + 1835351281 = 76586^2 + 42841^2 .

It is a cyclic number.

It is not a de Polignac number, because 7700766677 - 2⁶ = 7700766613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7700706677) 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, 3850383338 + 3850383339.

It is an arithmetic number, because the mean of its divisors is an integer number (3850383339).

Almost surely, 2^7700766677 is an apocalyptic number.

It is an amenable number.

7700766677 is a deficient number, since it is larger than the sum of its proper divisors (1).

7700766677 is an equidigital number, since it uses as much as digits as its factorization.

7700766677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3630312, while the sum is 53.

The square root of 7700766677 is about 87754.0123128282. The cubic root of 7700766677 is about 1974.7463586680.

The spelling of 7700766677 in words is "seven billion, seven hundred million, seven hundred sixty-six thousand, six hundred seventy-seven".