6771244765 has 8 divisors (see below), whose sum is σ = 8128903608. Its totient is φ = 5414722560.

The previous prime is 6771244741. The next prime is 6771244769. The reversal of 6771244765 is 5674421776.

It can be written as a sum of positive squares in 4 ways, for example, as 76405081 + 6694839684 = 8741^2 + 81822^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6771244765 - 2¹⁷ = 6771113693 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 (6771244769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270996 + ... + 294925.

It is an arithmetic number, because the mean of its divisors is an integer number (1016112951).

Almost surely, 2^6771244765 is an apocalyptic number.

It is an amenable number.

6771244765 is a deficient number, since it is larger than the sum of its proper divisors (1357658843).

6771244765 is a wasteful number, since it uses less digits than its factorization.

6771244765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568319.

The product of its digits is 1975680, while the sum is 49.

The square root of 6771244765 is about 82287.5735758444. The cubic root of 6771244765 is about 1891.8622188425.

The spelling of 6771244765 in words is "six billion, seven hundred seventy-one million, two hundred forty-four thousand, seven hundred sixty-five".