5608776778065 has 12 divisors (see below), whose sum is σ = 9721879748724. Its totient is φ = 2991347614944.

The previous prime is 5608776778037. The next prime is 5608776778081.

5608776778065 is a `hidden beast` number, since 5 + 608 + 7 + 7 + 6 + 7 + 7 + 8 + 0 + 6 + 5 = 666.

5608776778065 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 3769845508881 + 1838931269184 = 1941609^2 + 1356072^2 .

It is not a de Polignac number, because 5608776778065 - 2⁸ = 5608776777809 is a prime.

It is a super-2 number, since 2×5608776778065² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5608776777984 and 5608776778002.

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 11 ways as a sum of consecutive naturals, for example, 62319741934 + ... + 62319742023.

It is an arithmetic number, because the mean of its divisors is an integer number (810156645727).

Almost surely, 2^{5608776778065} is an apocalyptic number.

It is an amenable number.

5608776778065 is a deficient number, since it is larger than the sum of its proper divisors (4113102970659).

5608776778065 is a wasteful number, since it uses less digits than its factorization.

5608776778065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124639483968 (or 124639483965 counting only the distinct ones).

The product of its (nonzero) digits is 829785600, while the sum is 72.

The spelling of 5608776778065 in words is "five trillion, six hundred eight billion, seven hundred seventy-six million, seven hundred seventy-eight thousand, sixty-five".