6775071257 has 8 divisors (see below), whose sum is σ = 6802557696. Its totient is φ = 6747607152.

The previous prime is 6775071241. The next prime is 6775071293. The reversal of 6775071257 is 7521705776.

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 6775071257 - 2⁴ = 6775071241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6775071227) 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, 873398 + ... + 881120.

It is an arithmetic number, because the mean of its divisors is an integer number (850319712).

Almost surely, 2^6775071257 is an apocalyptic number.

It is an amenable number.

6775071257 is a deficient number, since it is larger than the sum of its proper divisors (27486439).

6775071257 is a wasteful number, since it uses less digits than its factorization.

6775071257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11167.

The product of its (nonzero) digits is 720300, while the sum is 47.

The square root of 6775071257 is about 82310.8210200822. The cubic root of 6775071257 is about 1892.2185212497.

The spelling of 6775071257 in words is "six billion, seven hundred seventy-five million, seventy-one thousand, two hundred fifty-seven".