5687997794 has 16 divisors (see below), whose sum is σ = 8728245240. Its totient is φ = 2779297920.

The previous prime is 5687997767. The next prime is 5687997797. The reversal of 5687997794 is 4977997865.

It can be written as a sum of positive squares in 4 ways, for example, as 4968417169 + 719580625 = 70487^2 + 26825^2 .

It is not an unprimeable number, because it can be changed into a prime (5687997797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162797 + ... + 194624.

Almost surely, 2^5687997794 is an apocalyptic number.

5687997794 is a deficient number, since it is larger than the sum of its proper divisors (3040247446).

5687997794 is a wasteful number, since it uses less digits than its factorization.

5687997794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357605.

The product of its digits is 240045120, while the sum is 71.

The square root of 5687997794 is about 75418.8159148630. The cubic root of 5687997794 is about 1785.0613211416.

Adding to 5687997794 its sum of digits (71), we get a palindrome (5687997865).

The spelling of 5687997794 in words is "five billion, six hundred eighty-seven million, nine hundred ninety-seven thousand, seven hundred ninety-four".