6555775739 has 8 divisors (see below), whose sum is σ = 6962386608. Its totient is φ = 6151495680.

The previous prime is 6555775717. The next prime is 6555775741. The reversal of 6555775739 is 9375775556.

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

It is a cyclic number.

It is not a de Polignac number, because 6555775739 - 2³² = 2260808443 is a prime.

It is a super-2 number, since 2×6555775739² = 85956391080121992242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6555775939) 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 7 ways as a sum of consecutive naturals, for example, 576902 + ... + 588155.

It is an arithmetic number, because the mean of its divisors is an integer number (870298326).

Almost surely, 2^6555775739 is an apocalyptic number.

6555775739 is a deficient number, since it is larger than the sum of its proper divisors (406610869).

6555775739 is a wasteful number, since it uses less digits than its factorization.

6555775739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165405.

The product of its digits is 34728750, while the sum is 59.

The square root of 6555775739 is about 80967.7450532000. The cubic root of 6555775739 is about 1871.5784226231.

The spelling of 6555775739 in words is "six billion, five hundred fifty-five million, seven hundred seventy-five thousand, seven hundred thirty-nine".