6171711772 has 12 divisors (see below), whose sum is σ = 10805391576. Its totient is φ = 3084457040.

The previous prime is 6171711769. The next prime is 6171711779. The reversal of 6171711772 is 2771171716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6171711779) 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, 339754 + ... + 357457.

It is an arithmetic number, because the mean of its divisors is an integer number (900449298).

Almost surely, 2^6171711772 is an apocalyptic number.

It is an amenable number.

6171711772 is a deficient number, since it is larger than the sum of its proper divisors (4633679804).

6171711772 is a wasteful number, since it uses less digits than its factorization.

6171711772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699428 (or 699426 counting only the distinct ones).

The product of its digits is 28812, while the sum is 40.

The square root of 6171711772 is about 78560.2429476895. The cubic root of 6171711772 is about 1834.2923094742.

The spelling of 6171711772 in words is "six billion, one hundred seventy-one million, seven hundred eleven thousand, seven hundred seventy-two".