5687645986 has 16 divisors (see below), whose sum is σ = 9340666560. Its totient is φ = 2575957680.

The previous prime is 5687645963. The next prime is 5687645989. The reversal of 5687645986 is 6895467865.

It is not an unprimeable number, because it can be changed into a prime (5687645989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460566 + ... + 472753.

It is an arithmetic number, because the mean of its divisors is an integer number (583791660).

Almost surely, 2^5687645986 is an apocalyptic number.

5687645986 is a deficient number, since it is larger than the sum of its proper divisors (3653020574).

5687645986 is a wasteful number, since it uses less digits than its factorization.

5687645986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933609.

The product of its digits is 87091200, while the sum is 64.

The square root of 5687645986 is about 75416.4835165364. The cubic root of 5687645986 is about 1785.0245178104.

The spelling of 5687645986 in words is "five billion, six hundred eighty-seven million, six hundred forty-five thousand, nine hundred eighty-six".