7697997966 has 8 divisors (see below), whose sum is σ = 15395995944. Its totient is φ = 2565999320.

The previous prime is 7697997943. The next prime is 7697998039. The reversal of 7697997966 is 6697997967.

It is a sphenic number, since it is the product of 3 distinct primes.

7697997966 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 641499825 + ... + 641499836.

It is an arithmetic number, because the mean of its divisors is an integer number (1924499493).

Almost surely, 2^7697997966 is an apocalyptic number.

7697997966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7697997966 is a wasteful number, since it uses less digits than its factorization.

7697997966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282999666.

The product of its digits is 486091368, while the sum is 75.

The square root of 7697997966 is about 87738.2354848785. The cubic root of 7697997966 is about 1974.5096654666.

Subtracting from 7697997966 its reverse (6697997967), we obtain a palindrome (999999999).

The spelling of 7697997966 in words is "seven billion, six hundred ninety-seven million, nine hundred ninety-seven thousand, nine hundred sixty-six".