874543345478 has 16 divisors (see below), whose sum is σ = 1431143698320. Its totient is φ = 397499488800.

The previous prime is 874543345471. The next prime is 874543345493.

874543345478 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 874543345478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874543345471) 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, 563813 + ... + 1437696.

It is an arithmetic number, because the mean of its divisors is an integer number (89446481145).

Almost surely, 2^874543345478 is an apocalyptic number.

874543345478 is a deficient number, since it is larger than the sum of its proper divisors (556600352842).

874543345478 is a wasteful number, since it uses less digits than its factorization.

874543345478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021383.

The product of its digits is 180633600, while the sum is 62.

The spelling of 874543345478 in words is "eight hundred seventy-four billion, five hundred forty-three million, three hundred forty-five thousand, four hundred seventy-eight".