874284482478 has 64 divisors (see below), whose sum is σ = 2009053612800. Its totient is φ = 250849820160.

The previous prime is 874284482437. The next prime is 874284482593.

874284482478 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2048550 + ... + 2438262.

It is an arithmetic number, because the mean of its divisors is an integer number (31391462700).

Almost surely, 2^874284482478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 874284482478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1004526806400).

874284482478 is an abundant number, since it is smaller than the sum of its proper divisors (1134769130322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

874284482478 is a wasteful number, since it uses less digits than its factorization.

874284482478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391537.

The product of its digits is 205520896, while the sum is 66.

The spelling of 874284482478 in words is "eight hundred seventy-four billion, two hundred eighty-four million, four hundred eighty-two thousand, four hundred seventy-eight".