874836385206840 has 384 divisors, whose sum is σ = 3259700611240320. Its totient is φ = 199328919552000.

The previous prime is 874836385206701. The next prime is 874836385206863. The reversal of 874836385206840 is 48602583638478.

874836385206840 is a `hidden beast` number, since 8 + 7 + 4 + 8 + 3 + 6 + 38 + 520 + 68 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1496287842 + ... + 1496872398.

It is an arithmetic number, because the mean of its divisors is an integer number (8488803675105).

Almost surely, 2^{874836385206840} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 874836385206840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629850305620160).

874836385206840 is an abundant number, since it is smaller than the sum of its proper divisors (2384864226033480).

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

874836385206840 is a wasteful number, since it uses less digits than its factorization.

874836385206840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586463 (or 586456 counting only the distinct ones).

The product of its (nonzero) digits is 1486356480, while the sum is 72.

The spelling of 874836385206840 in words is "eight hundred seventy-four trillion, eight hundred thirty-six billion, three hundred eighty-five million, two hundred six thousand, eight hundred forty".