1678479812248 has 8 divisors (see below), whose sum is σ = 3147149647980. Its totient is φ = 839239906120.

The previous prime is 1678479812173. The next prime is 1678479812281. The reversal of 1678479812248 is 8422189748761.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 104904988258 + ... + 104904988273.

Almost surely, 2^{1678479812248} is an apocalyptic number.

It is an amenable number.

1678479812248 is a deficient number, since it is larger than the sum of its proper divisors (1468669835732).

1678479812248 is a wasteful number, since it uses less digits than its factorization.

1678479812248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209809976537 (or 209809976533 counting only the distinct ones).

The product of its digits is 86704128, while the sum is 67.

The spelling of 1678479812248 in words is "one trillion, six hundred seventy-eight billion, four hundred seventy-nine million, eight hundred twelve thousand, two hundred forty-eight".