7667297697 has 4 divisors (see below), whose sum is σ = 10223063600. Its totient is φ = 5111531796.

The previous prime is 7667297647. The next prime is 7667297761. The reversal of 7667297697 is 7967927667.

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 not a de Polignac number, because 7667297697 - 2²⁰ = 7666249121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7667297647) 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, 1277882947 + ... + 1277882952.

It is an arithmetic number, because the mean of its divisors is an integer number (2555765900).

Almost surely, 2^7667297697 is an apocalyptic number.

It is an amenable number.

7667297697 is a deficient number, since it is larger than the sum of its proper divisors (2555765903).

7667297697 is a wasteful number, since it uses less digits than its factorization.

7667297697 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2555765902.

The product of its digits is 84015792, while the sum is 66.

The square root of 7667297697 is about 87563.1069400806. The cubic root of 7667297697 is about 1971.8813310014.

The spelling of 7667297697 in words is "seven billion, six hundred sixty-seven million, two hundred ninety-seven thousand, six hundred ninety-seven".