7697676977 has 2 divisors, whose sum is σ = 7697676978. Its totient is φ = 7697676976.

The previous prime is 7697676947. The next prime is 7697677019. The reversal of 7697676977 is 7796767967.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5889641536 + 1808035441 = 76744^2 + 42521^2 .

It is an emirp because it is prime and its reverse (7796767967) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7697676977 - 2⁶ = 7697676913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7697676977.

It is not a weakly prime, because it can be changed into another prime (7697676907) 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, 3848838488 + 3848838489.

It is an arithmetic number, because the mean of its divisors is an integer number (3848838489).

Almost surely, 2^7697676977 is an apocalyptic number.

It is an amenable number.

7697676977 is a deficient number, since it is larger than the sum of its proper divisors (1).

7697676977 is an equidigital number, since it uses as much as digits as its factorization.

7697676977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 294055272, while the sum is 71.

The square root of 7697676977 is about 87736.4062234145. The cubic root of 7697676977 is about 1974.4822208983.

The spelling of 7697676977 in words is "seven billion, six hundred ninety-seven million, six hundred seventy-six thousand, nine hundred seventy-seven".