6867821277042 has 32 divisors (see below), whose sum is σ = 14994867640320. Its totient is φ = 2079695419920.

The previous prime is 6867821276929. The next prime is 6867821277049. The reversal of 6867821277042 is 2407721287686.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6867821277049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36468942 + ... + 36656777.

It is an arithmetic number, because the mean of its divisors is an integer number (468589613760).

Almost surely, 2^{6867821277042} is an apocalyptic number.

6867821277042 is an abundant number, since it is smaller than the sum of its proper divisors (8127046363278).

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

6867821277042 is a wasteful number, since it uses less digits than its factorization.

6867821277042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73127158.

The product of its (nonzero) digits is 25288704, while the sum is 60.

The spelling of 6867821277042 in words is "six trillion, eight hundred sixty-seven billion, eight hundred twenty-one million, two hundred seventy-seven thousand, forty-two".