6172791897 has 16 divisors (see below), whose sum is σ = 8526853440. Its totient is φ = 3967384512.

The previous prime is 6172791853. The next prime is 6172791899. The reversal of 6172791897 is 7981972716.

It is not a de Polignac number, because 6172791897 - 2¹⁴ = 6172775513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6172791899) 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, 6498 + ... + 111300.

It is an arithmetic number, because the mean of its divisors is an integer number (532928340).

Almost surely, 2^6172791897 is an apocalyptic number.

It is an amenable number.

6172791897 is a deficient number, since it is larger than the sum of its proper divisors (2354061543).

6172791897 is a wasteful number, since it uses less digits than its factorization.

6172791897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105512.

The product of its digits is 2667168, while the sum is 57.

The square root of 6172791897 is about 78567.1171483338. The cubic root of 6172791897 is about 1834.3993110908.

The spelling of 6172791897 in words is "six billion, one hundred seventy-two million, seven hundred ninety-one thousand, eight hundred ninety-seven".