906820678028 has 12 divisors (see below), whose sum is σ = 1586951871120. Its totient is φ = 453405857712.

The previous prime is 906820678019. The next prime is 906820678051. The reversal of 906820678028 is 820876028609.

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 3 ways as a sum of consecutive naturals, for example, 642368 + ... + 1492071.

It is an arithmetic number, because the mean of its divisors is an integer number (132245989260).

Almost surely, 2^906820678028 is an apocalyptic number.

It is an amenable number.

906820678028 is a deficient number, since it is larger than the sum of its proper divisors (680131193092).

906820678028 is a wasteful number, since it uses less digits than its factorization.

906820678028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2240656 (or 2240654 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 56.

The spelling of 906820678028 in words is "nine hundred six billion, eight hundred twenty million, six hundred seventy-eight thousand, twenty-eight".