7697785061 has 4 divisors (see below), whose sum is σ = 8032471392. Its totient is φ = 7363098732.

The previous prime is 7697785049. The next prime is 7697785129. The reversal of 7697785061 is 1605877967.

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 7697785061 - 2¹⁴ = 7697768677 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7697784988 and 7697785006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7697785021) 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 in 3 ways as a sum of consecutive naturals, for example, 167343131 + ... + 167343176.

It is an arithmetic number, because the mean of its divisors is an integer number (2008117848).

Almost surely, 2^7697785061 is an apocalyptic number.

It is an amenable number.

7697785061 is a deficient number, since it is larger than the sum of its proper divisors (334686331).

7697785061 is a wasteful number, since it uses less digits than its factorization.

7697785061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334686330.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The square root of 7697785061 is about 87737.0221799213. The cubic root of 7697785061 is about 1974.4914621685.

The spelling of 7697785061 in words is "seven billion, six hundred ninety-seven million, seven hundred eighty-five thousand, sixty-one".