6955747765 has 4 divisors (see below), whose sum is σ = 8346897324. Its totient is φ = 5564598208.

The previous prime is 6955747763. The next prime is 6955747769. The reversal of 6955747765 is 5677475596.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5034328209 + 1921419556 = 70953^2 + 43834^2 .

It is a cyclic number.

It is not a de Polignac number, because 6955747765 - 2¹ = 6955747763 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6955747763) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 695574772 + ... + 695574781.

It is an arithmetic number, because the mean of its divisors is an integer number (2086724331).

Almost surely, 2^6955747765 is an apocalyptic number.

It is an amenable number.

6955747765 is a deficient number, since it is larger than the sum of its proper divisors (1391149559).

6955747765 is a wasteful number, since it uses less digits than its factorization.

6955747765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391149558.

The product of its digits is 55566000, while the sum is 61.

The square root of 6955747765 is about 83401.1256818516. The cubic root of 6955747765 is about 1908.8916355746.

The spelling of 6955747765 in words is "six billion, nine hundred fifty-five million, seven hundred forty-seven thousand, seven hundred sixty-five".