3285655678 has 4 divisors (see below), whose sum is σ = 4928483520. Its totient is φ = 1642827838.

The previous prime is 3285655673. The next prime is 3285655697. The reversal of 3285655678 is 8765565823.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3285655673) by changing a digit.

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, 821413918 + ... + 821413921.

It is an arithmetic number, because the mean of its divisors is an integer number (1232120880).

Almost surely, 2^3285655678 is an apocalyptic number.

3285655678 is a deficient number, since it is larger than the sum of its proper divisors (1642827842).

3285655678 is a wasteful number, since it uses less digits than its factorization.

3285655678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1642827841.

The product of its digits is 12096000, while the sum is 55.

The square root of 3285655678 is about 57320.6391974130. The cubic root of 3285655678 is about 1486.6452575783.

The spelling of 3285655678 in words is "three billion, two hundred eighty-five million, six hundred fifty-five thousand, six hundred seventy-eight".