6772115257 has 8 divisors (see below), whose sum is σ = 7174119456. Its totient is φ = 6370516032.

The previous prime is 6772115221. The next prime is 6772115267. The reversal of 6772115257 is 7525112776.

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 6772115257 - 2¹⁵ = 6772082489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6772115267) 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, 66463 + ... + 134020.

It is an arithmetic number, because the mean of its divisors is an integer number (896764932).

Almost surely, 2^6772115257 is an apocalyptic number.

It is an amenable number.

6772115257 is a deficient number, since it is larger than the sum of its proper divisors (402004199).

6772115257 is a wasteful number, since it uses less digits than its factorization.

6772115257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202487.

The product of its digits is 205800, while the sum is 43.

The square root of 6772115257 is about 82292.8627342615. The cubic root of 6772115257 is about 1891.9432861803.

The spelling of 6772115257 in words is "six billion, seven hundred seventy-two million, one hundred fifteen thousand, two hundred fifty-seven".