6782021667883 has 48 divisors (see below), whose sum is σ = 8647707156480. Its totient is φ = 5259438475200.

The previous prime is 6782021667847. The next prime is 6782021667917. The reversal of 6782021667883 is 3887661202876.

It is not a de Polignac number, because 6782021667883 - 2²¹ = 6782019570731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6782021662883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116678998 + ... + 116737108.

It is an arithmetic number, because the mean of its divisors is an integer number (180160565760).

Almost surely, 2^{6782021667883} is an apocalyptic number.

6782021667883 is a deficient number, since it is larger than the sum of its proper divisors (1865685488597).

6782021667883 is a wasteful number, since it uses less digits than its factorization.

6782021667883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59168 (or 59161 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 64.

The spelling of 6782021667883 in words is "six trillion, seven hundred eighty-two billion, twenty-one million, six hundred sixty-seven thousand, eight hundred eighty-three".