5687997865 has 16 divisors (see below), whose sum is σ = 7769851776. Its totient is φ = 3956867200.

The previous prime is 5687997859. The next prime is 5687997869.

5687997865 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5687997865 - 2⁹ = 5687997353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5687997794 and 5687997803.

It is not an unprimeable number, because it can be changed into a prime (5687997869) 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, 2246956 + ... + 2249485.

It is an arithmetic number, because the mean of its divisors is an integer number (485615736).

Almost surely, 2^5687997865 is an apocalyptic number.

5687997865 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5687997865 is a deficient number, since it is larger than the sum of its proper divisors (2081853911).

5687997865 is a wasteful number, since it uses less digits than its factorization.

5687997865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496480.

The product of its digits is 228614400, while the sum is 70.

The square root of 5687997865 is about 75418.8163855679. The cubic root of 5687997865 is about 1785.0613285689.

The spelling of 5687997865 in words is "five billion, six hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred sixty-five".