6617631287 has 8 divisors (see below), whose sum is σ = 6833951232. Its totient is φ = 6401489400.

The previous prime is 6617631271. The next prime is 6617631311. The reversal of 6617631287 is 7821367166.

6617631287 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6617631287 - 2⁴ = 6617631271 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 (6617631187) 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, 33212 + ... + 119742.

It is an arithmetic number, because the mean of its divisors is an integer number (854243904).

Almost surely, 2^6617631287 is an apocalyptic number.

6617631287 is a deficient number, since it is larger than the sum of its proper divisors (216319945).

6617631287 is a wasteful number, since it uses less digits than its factorization.

6617631287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89029.

The product of its digits is 508032, while the sum is 47.

The square root of 6617631287 is about 81348.8247425862. The cubic root of 6617631287 is about 1877.4462919513.

The spelling of 6617631287 in words is "six billion, six hundred seventeen million, six hundred thirty-one thousand, two hundred eighty-seven".