1678750287263 has 32 divisors (see below), whose sum is σ = 2085286871040. Its totient is φ = 1318847741280.

The previous prime is 1678750287223. The next prime is 1678750287287. The reversal of 1678750287263 is 3627820578761.

It is a cyclic number.

It is not a de Polignac number, because 1678750287263 - 2¹⁶ = 1678750221727 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1678750287196 and 1678750287205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1678750287223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14964206 + ... + 15075972.

It is an arithmetic number, because the mean of its divisors is an integer number (65165214720).

Almost surely, 2^{1678750287263} is an apocalyptic number.

1678750287263 is a deficient number, since it is larger than the sum of its proper divisors (406536583777).

1678750287263 is a wasteful number, since it uses less digits than its factorization.

1678750287263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115467.

The product of its (nonzero) digits is 47416320, while the sum is 62.

The spelling of 1678750287263 in words is "one trillion, six hundred seventy-eight billion, seven hundred fifty million, two hundred eighty-seven thousand, two hundred sixty-three".