1478523871678 has 32 divisors (see below), whose sum is σ = 2623818375360. Its totient is φ = 611381675520.

The previous prime is 1478523871673. The next prime is 1478523871681. The reversal of 1478523871678 is 8761783258741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1478523871673) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663243 + ... + 1843078.

It is an arithmetic number, because the mean of its divisors is an integer number (81994324230).

Almost surely, 2^{1478523871678} is an apocalyptic number.

1478523871678 is a deficient number, since it is larger than the sum of its proper divisors (1145294503682).

1478523871678 is a wasteful number, since it uses less digits than its factorization.

1478523871678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2507812.

The product of its digits is 126443520, while the sum is 67.

The spelling of 1478523871678 in words is "one trillion, four hundred seventy-eight billion, five hundred twenty-three million, eight hundred seventy-one thousand, six hundred seventy-eight".