6997777996 has 36 divisors (see below), whose sum is σ = 13467734280. Its totient is φ = 3179123200.

The previous prime is 6997777937. The next prime is 6997778003.

6997777996 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1629420 + ... + 1633708.

It is an arithmetic number, because the mean of its divisors is an integer number (374103730).

Almost surely, 2^6997777996 is an apocalyptic number.

It is an amenable number.

6997777996 is a deficient number, since it is larger than the sum of its proper divisors (6469956284).

6997777996 is a wasteful number, since it uses less digits than its factorization.

6997777996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686 (or 7673 counting only the distinct ones).

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

The square root of 6997777996 is about 83652.7225856995. The cubic root of 6997777996 is about 1912.7287546501.

The spelling of 6997777996 in words is "six billion, nine hundred ninety-seven million, seven hundred seventy-seven thousand, nine hundred ninety-six".