6997667996 has 24 divisors (see below), whose sum is σ = 13464385536. Its totient is φ = 3155710320.

The previous prime is 6997667899. The next prime is 6997668011.

It is a happy number.

6997667996 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620546 + ... + 631721.

It is an arithmetic number, because the mean of its divisors is an integer number (561016064).

Almost surely, 2^6997667996 is an apocalyptic number.

It is an amenable number.

6997667996 is a deficient number, since it is larger than the sum of its proper divisors (6466717540).

6997667996 is a wasteful number, since it uses less digits than its factorization.

6997667996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1252409 (or 1252407 counting only the distinct ones).

The product of its digits is 416649744, while the sum is 74.

The square root of 6997667996 is about 83652.0651030206. The cubic root of 6997667996 is about 1912.7187323609.

The spelling of 6997667996 in words is "six billion, nine hundred ninety-seven million, six hundred sixty-seven thousand, nine hundred ninety-six".