6172887998 has 16 divisors (see below), whose sum is σ = 9752717520. Its totient is φ = 2922183936.

The previous prime is 6172887997. The next prime is 6172888027. The reversal of 6172887998 is 8997882716.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6172887997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12590 + ... + 111822.

It is an arithmetic number, because the mean of its divisors is an integer number (609544845).

Almost surely, 2^6172887998 is an apocalyptic number.

6172887998 is a deficient number, since it is larger than the sum of its proper divisors (3579829522).

6172887998 is a wasteful number, since it uses less digits than its factorization.

6172887998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100891.

The product of its digits is 24385536, while the sum is 65.

The square root of 6172887998 is about 78567.7287313309. The cubic root of 6172887998 is about 1834.4088306457.

The spelling of 6172887998 in words is "six billion, one hundred seventy-two million, eight hundred eighty-seven thousand, nine hundred ninety-eight".