1671873982777 has 8 divisors (see below), whose sum is σ = 1677495549600. Its totient is φ = 1666260852480.

The previous prime is 1671873982741. The next prime is 1671873982811. The reversal of 1671873982777 is 7772893781761.

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

It is a cyclic number.

It is not a de Polignac number, because 1671873982777 - 2²⁷ = 1671739765049 is a prime.

It is a super-2 number, since 2×1671873982777² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1671873982717) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1711999 + ... + 2504932.

It is an arithmetic number, because the mean of its divisors is an integer number (209686943700).

Almost surely, 2^{1671873982777} is an apocalyptic number.

It is an amenable number.

1671873982777 is a deficient number, since it is larger than the sum of its proper divisors (5621566823).

1671873982777 is an equidigital number, since it uses as much as digits as its factorization.

1671873982777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4218263.

The product of its digits is 348509952, while the sum is 73.

The spelling of 1671873982777 in words is "one trillion, six hundred seventy-one billion, eight hundred seventy-three million, nine hundred eighty-two thousand, seven hundred seventy-seven".