5665897782 has 32 divisors (see below), whose sum is σ = 12594499200. Its totient is φ = 1888090344.

The previous prime is 5665897777. The next prime is 5665897817. The reversal of 5665897782 is 2877985665.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 203973 + ... + 230079.

It is an arithmetic number, because the mean of its divisors is an integer number (393578100).

Almost surely, 2^5665897782 is an apocalyptic number.

5665897782 is an abundant number, since it is smaller than the sum of its proper divisors (6928601418).

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

5665897782 is a wasteful number, since it uses less digits than its factorization.

5665897782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30137 (or 30131 counting only the distinct ones).

The product of its digits is 50803200, while the sum is 63.

The square root of 5665897782 is about 75272.1580798638. The cubic root of 5665897782 is about 1782.7464421538.

The spelling of 5665897782 in words is "five billion, six hundred sixty-five million, eight hundred ninety-seven thousand, seven hundred eighty-two".