3668277742578 has 40 divisors (see below), whose sum is σ = 8354407923180. Its totient is φ = 1202714010720.

The previous prime is 3668277742537. The next prime is 3668277742603. The reversal of 3668277742578 is 8752477728663.

3668277742578 is a `hidden beast` number, since 3 + 6 + 6 + 8 + 2 + 7 + 7 + 7 + 42 + 578 = 666.

3668277742578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2344013054289 + 1324264688289 = 1531017^2 + 1150767^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 185594133 + ... + 185613896.

Almost surely, 2^{3668277742578} is an apocalyptic number.

3668277742578 is an abundant number, since it is smaller than the sum of its proper divisors (4686130180602).

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

3668277742578 is a wasteful number, since it uses less digits than its factorization.

3668277742578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371208104 (or 371208095 counting only the distinct ones).

The product of its digits is 1327656960, while the sum is 72.

The spelling of 3668277742578 in words is "three trillion, six hundred sixty-eight billion, two hundred seventy-seven million, seven hundred forty-two thousand, five hundred seventy-eight".