6920697772 has 6 divisors (see below), whose sum is σ = 12111221108. Its totient is φ = 3460348884.

The previous prime is 6920697757. The next prime is 6920697803. The reversal of 6920697772 is 2777960296.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 865087218 + ... + 865087225.

Almost surely, 2^6920697772 is an apocalyptic number.

It is an amenable number.

6920697772 is a deficient number, since it is larger than the sum of its proper divisors (5190523336).

6920697772 is a wasteful number, since it uses less digits than its factorization.

6920697772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1730174447 (or 1730174445 counting only the distinct ones).

The product of its (nonzero) digits is 4000752, while the sum is 55.

The square root of 6920697772 is about 83190.7312866043. The cubic root of 6920697772 is about 1905.6799351133.

The spelling of 6920697772 in words is "six billion, nine hundred twenty million, six hundred ninety-seven thousand, seven hundred seventy-two".