6996509768 has 16 divisors (see below), whose sum is σ = 13122170880. Its totient is φ = 3497264208.

The previous prime is 6996509759. The next prime is 6996509777. The reversal of 6996509768 is 8679056996.

It is an interprime number because it is at equal distance from previous prime (6996509759) and next prime (6996509777).

It is a super-2 number, since 2×6996509768² = 97902297867438827648, which contains 22 as substring.

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, 93380 + ... + 150707.

It is an arithmetic number, because the mean of its divisors is an integer number (820135680).

Almost surely, 2^6996509768 is an apocalyptic number.

It is an amenable number.

6996509768 is a deficient number, since it is larger than the sum of its proper divisors (6125661112).

6996509768 is a wasteful number, since it uses less digits than its factorization.

6996509768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247676 (or 247672 counting only the distinct ones).

The product of its (nonzero) digits is 44089920, while the sum is 65.

The square root of 6996509768 is about 83645.1419270719. The cubic root of 6996509768 is about 1912.6131978394.

The spelling of 6996509768 in words is "six billion, nine hundred ninety-six million, five hundred nine thousand, seven hundred sixty-eight".