6696787964 has 6 divisors (see below), whose sum is σ = 11719378944. Its totient is φ = 3348393980.

The previous prime is 6696787957. The next prime is 6696787973. The reversal of 6696787964 is 4697876966.

It is a junction number, because it is equal to n+sod(n) for n = 6696787894 and 6696787903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837098492 + ... + 837098499.

It is an arithmetic number, because the mean of its divisors is an integer number (1953229824).

Almost surely, 2^6696787964 is an apocalyptic number.

It is an amenable number.

6696787964 is a deficient number, since it is larger than the sum of its proper divisors (5022590980).

6696787964 is a wasteful number, since it uses less digits than its factorization.

6696787964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674196995 (or 1674196993 counting only the distinct ones).

The product of its digits is 164602368, while the sum is 68.

The square root of 6696787964 is about 81833.9047339182. The cubic root of 6696787964 is about 1884.9023220733.

The spelling of 6696787964 in words is "six billion, six hundred ninety-six million, seven hundred eighty-seven thousand, nine hundred sixty-four".