6617227397 has 16 divisors (see below), whose sum is σ = 7546338432. Its totient is φ = 5743657920.

The previous prime is 6617227369. The next prime is 6617227417. The reversal of 6617227397 is 7937227166.

It is not a de Polignac number, because 6617227397 - 2¹⁰ = 6617226373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6617227997) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117443 + ... + 164399.

It is an arithmetic number, because the mean of its divisors is an integer number (471646152).

Almost surely, 2^6617227397 is an apocalyptic number.

It is an amenable number.

6617227397 is a deficient number, since it is larger than the sum of its proper divisors (929111035).

6617227397 is a wasteful number, since it uses less digits than its factorization.

6617227397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47548.

The product of its digits is 1333584, while the sum is 50.

The square root of 6617227397 is about 81346.3422472086. The cubic root of 6617227397 is about 1877.4080961489.

The spelling of 6617227397 in words is "six billion, six hundred seventeen million, two hundred twenty-seven thousand, three hundred ninety-seven".