6820674680 has 16 divisors (see below), whose sum is σ = 15346518120. Its totient is φ = 2728269856.

The previous prime is 6820674677. The next prime is 6820674697. The reversal of 6820674680 is 864760286.

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 in 3 ways as a sum of consecutive naturals, for example, 85258394 + ... + 85258473.

Almost surely, 2^6820674680 is an apocalyptic number.

It is an amenable number.

6820674680 is an abundant number, since it is smaller than the sum of its proper divisors (8525843440).

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

6820674680 is a wasteful number, since it uses less digits than its factorization.

6820674680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170516878 (or 170516874 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The square root of 6820674680 is about 82587.3760329023. The cubic root of 6820674680 is about 1896.4545776041.

The spelling of 6820674680 in words is "six billion, eight hundred twenty million, six hundred seventy-four thousand, six hundred eighty".