5686445778 has 16 divisors (see below), whose sum is σ = 12247729536. Its totient is φ = 1749675600.

The previous prime is 5686445767. The next prime is 5686445827. The reversal of 5686445778 is 8775446865.

It is a super-2 number, since 2×5686445778² = 64671331172268050568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36451498 + ... + 36451653.

It is an arithmetic number, because the mean of its divisors is an integer number (765483096).

Almost surely, 2^5686445778 is an apocalyptic number.

5686445778 is an abundant number, since it is smaller than the sum of its proper divisors (6561283758).

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

5686445778 is a wasteful number, since it uses less digits than its factorization.

5686445778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72903169.

The product of its digits is 45158400, while the sum is 60.

The square root of 5686445778 is about 75408.5258972750. The cubic root of 5686445778 is about 1784.8989502542.

The spelling of 5686445778 in words is "five billion, six hundred eighty-six million, four hundred forty-five thousand, seven hundred seventy-eight".