5687117865 has 384 divisors, whose sum is σ = 13357301760. Its totient is φ = 2264371200.

The previous prime is 5687117861. The next prime is 5687117879.

5687117865 is a `hidden beast` number, since 568 + 7 + 1 + 1 + 78 + 6 + 5 = 666.

5687117865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5687117865 - 2² = 5687117861 is a prime.

It is a super-2 number, since 2×5687117865² = 64686619220804316450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5687117861) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 132258534 + ... + 132258576.

It is an arithmetic number, because the mean of its divisors is an integer number (34784640).

Almost surely, 2^5687117865 is an apocalyptic number.

5687117865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5687117865 is an abundant number, since it is smaller than the sum of its proper divisors (7670183895).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5687117865 is a wasteful number, since it uses less digits than its factorization.

5687117865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 123 counting only the distinct ones).

The product of its digits is 2822400, while the sum is 54.

The square root of 5687117865 is about 75412.9820720544. The cubic root of 5687117865 is about 1784.9692671780.

The spelling of 5687117865 in words is "five billion, six hundred eighty-seven million, one hundred seventeen thousand, eight hundred sixty-five".