6127275397 has 4 divisors (see below), whose sum is σ = 6127435180. Its totient is φ = 6127115616.

The previous prime is 6127275383. The next prime is 6127275403. The reversal of 6127275397 is 7935727216.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2263285476 + 3863989921 = 47574^2 + 62161^2 .

It is a 3-Lehmer number, since φ(6127275397) divides (6127275397-1)³.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6127275397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6127275397.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6127275307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15979 + ... + 111847.

It is an arithmetic number, because the mean of its divisors is an integer number (1531858795).

It is a Poulet number, since it divides 2^6127275396-1.

Almost surely, 2^6127275397 is an apocalyptic number.

6127275397 is the 63913-rd pentagonal number.

It is an amenable number.

6127275397 is a deficient number, since it is larger than the sum of its proper divisors (159783).

6127275397 is an equidigital number, since it uses as much as digits as its factorization.

6127275397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159782.

The product of its digits is 1111320, while the sum is 49.

The square root of 6127275397 is about 78276.9148408392. The cubic root of 6127275397 is about 1829.8793949403.

The spelling of 6127275397 in words is "six billion, one hundred twenty-seven million, two hundred seventy-five thousand, three hundred ninety-seven".