1093878469478 has 16 divisors (see below), whose sum is σ = 1668707678160. Its totient is φ = 537643460256.

The previous prime is 1093878469477. The next prime is 1093878469499. The reversal of 1093878469478 is 8749648783901.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093878469477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2397176 + ... + 2816772.

It is an arithmetic number, because the mean of its divisors is an integer number (104294229885).

Almost surely, 2^{1093878469478} is an apocalyptic number.

1093878469478 is a deficient number, since it is larger than the sum of its proper divisors (574829208682).

1093878469478 is a wasteful number, since it uses less digits than its factorization.

1093878469478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441751.

The product of its (nonzero) digits is 585252864, while the sum is 74.

The spelling of 1093878469478 in words is "one trillion, ninety-three billion, eight hundred seventy-eight million, four hundred sixty-nine thousand, four hundred seventy-eight".