7697997967 has 4 divisors (see below), whose sum is σ = 8397815976. Its totient is φ = 6998179960.

The previous prime is 7697997943. The next prime is 7697998039.

7697997967 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7697997967 is a prime.

It is a super-2 number, since 2×7697997967² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7697997893 and 7697997902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7697997917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349908988 + ... + 349909009.

It is an arithmetic number, because the mean of its divisors is an integer number (2099453994).

Almost surely, 2^7697997967 is an apocalyptic number.

7697997967 is a deficient number, since it is larger than the sum of its proper divisors (699818009).

7697997967 is a wasteful number, since it uses less digits than its factorization.

7697997967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699818008.

The product of its digits is 567106596, while the sum is 76.

The square root of 7697997967 is about 87738.2354905773. The cubic root of 7697997967 is about 1974.5096655521.

The spelling of 7697997967 in words is "seven billion, six hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred sixty-seven".