1677787316922 has 8 divisors (see below), whose sum is σ = 3355574633856. Its totient is φ = 559262438972.

The previous prime is 1677787316917. The next prime is 1677787316929. The reversal of 1677787316922 is 2296137877761.

It is a sphenic number, since it is the product of 3 distinct primes.

1677787316922 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (1677787316929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139815609738 + ... + 139815609749.

It is an arithmetic number, because the mean of its divisors is an integer number (419446829232).

Almost surely, 2^{1677787316922} is an apocalyptic number.

1677787316922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1677787316922 is a wasteful number, since it uses less digits than its factorization.

1677787316922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279631219492.

The product of its digits is 74680704, while the sum is 66.

The spelling of 1677787316922 in words is "one trillion, six hundred seventy-seven billion, seven hundred eighty-seven million, three hundred sixteen thousand, nine hundred twenty-two".