7768305061 has 4 divisors (see below), whose sum is σ = 8474514624. Its totient is φ = 7062095500.

The previous prime is 7768305053. The next prime is 7768305107. The reversal of 7768305061 is 1605038677.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7768305061 - 2³ = 7768305053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7768304999 and 7768305017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7768305161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353104765 + ... + 353104786.

It is an arithmetic number, because the mean of its divisors is an integer number (2118628656).

Almost surely, 2^7768305061 is an apocalyptic number.

It is an amenable number.

7768305061 is a deficient number, since it is larger than the sum of its proper divisors (706209563).

7768305061 is a wasteful number, since it uses less digits than its factorization.

7768305061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706209562.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 7768305061 is about 88137.9887505949. The cubic root of 7768305061 is about 1980.5026324011.

The spelling of 7768305061 in words is "seven billion, seven hundred sixty-eight million, three hundred five thousand, sixty-one".