5767946809 has 9 divisors (see below), whose sum is σ = 5814725583. Its totient is φ = 5721543192.

The previous prime is 5767946783. The next prime is 5767946839. The reversal of 5767946809 is 9086497675.

The square root of 5767946809 is 75947.

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

It can be written as a sum of positive squares in only one way, i.e., 5246829225 + 521117584 = 72435^2 + 22828^2 .

It is not a de Polignac number, because 5767946809 - 2²³ = 5759558201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5767946839) 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, 13138612 + ... + 13139050.

Almost surely, 2^5767946809 is an apocalyptic number.

5767946809 is the 75947-th square number.

5767946809 is the 37974-th centered octagonal number.

It is an amenable number.

5767946809 is a deficient number, since it is larger than the sum of its proper divisors (46778774).

5767946809 is an frugal number, since it uses more digits than its factorization.

5767946809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 61.

The cubic root of 5767946809 is about 1793.3858917316.

It can be divided in two parts, 5767 and 946809, that added together give a square (952576 = 976²).

The spelling of 5767946809 in words is "five billion, seven hundred sixty-seven million, nine hundred forty-six thousand, eight hundred nine".