6907770769 has 9 divisors (see below), whose sum is σ = 7339513777. Its totient is φ = 6500101504.

The previous prime is 6907770763. The next prime is 6907770773. The reversal of 6907770769 is 9670777096.

The square root of 6907770769 is 83113.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1591611025 + 5316159744 = 39895^2 + 72912^2 .

It is not a de Polignac number, because 6907770769 - 2¹⁹ = 6907246481 is a prime.

It is a super-2 number, since 2×6907770769² = 95434593994101702722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6907770763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1410477 + ... + 1415365.

Almost surely, 2^6907770769 is an apocalyptic number.

6907770769 is the 83113-rd square number.

6907770769 is the 41557-th centered octagonal number.

It is an amenable number.

6907770769 is a deficient number, since it is larger than the sum of its proper divisors (431743008).

6907770769 is an frugal number, since it uses more digits than its factorization.

6907770769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9812 (or 4906 counting only the distinct ones).

The product of its (nonzero) digits is 7001316, while the sum is 58.

The cubic root of 6907770769 is about 1904.4926711894.

The spelling of 6907770769 in words is "six billion, nine hundred seven million, seven hundred seventy thousand, seven hundred sixty-nine".