5637347866 has 12 divisors (see below), whose sum is σ = 8982695358. Its totient is φ = 2652869312.

The previous prime is 5637347857. The next prime is 5637347887. The reversal of 5637347866 is 6687437365.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 5507866225 + 129481641 = 74215^2 + 11379^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4876021 + ... + 4877176.

Almost surely, 2^5637347866 is an apocalyptic number.

5637347866 is a deficient number, since it is larger than the sum of its proper divisors (3345347492).

5637347866 is a wasteful number, since it uses less digits than its factorization.

5637347866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9753233 (or 9753216 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 55.

The square root of 5637347866 is about 75082.2739799482. The cubic root of 5637347866 is about 1779.7470357599.

The spelling of 5637347866 in words is "five billion, six hundred thirty-seven million, three hundred forty-seven thousand, eight hundred sixty-six".