2006785108 has 6 divisors (see below), whose sum is σ = 3511873946. Its totient is φ = 1003392552.

The previous prime is 2006785087. The next prime is 2006785159. The reversal of 2006785108 is 8015876002.

It can be written as a sum of positive squares in only one way, i.e., 2002383504 + 4401604 = 44748^2 + 2098^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 250848135 + ... + 250848142.

Almost surely, 2^2006785108 is an apocalyptic number.

It is an amenable number.

2006785108 is a deficient number, since it is larger than the sum of its proper divisors (1505088838).

2006785108 is a wasteful number, since it uses less digits than its factorization.

2006785108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501696281 (or 501696279 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 37.

The square root of 2006785108 is about 44797.1551328876. The cubic root of 2006785108 is about 1261.3442251057.

The spelling of 2006785108 in words is "two billion, six million, seven hundred eighty-five thousand, one hundred eight".