874836624354221 has 24 divisors (see below), whose sum is σ = 926917905271680. Its totient is φ = 825382288938240.

The previous prime is 874836624354211. The next prime is 874836624354223. The reversal of 874836624354221 is 122453426638478.

It is a de Polignac number, because none of the positive numbers 2^k-874836624354221 is a prime.

It is a super-2 number, since 2×874836624354221² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874836624354223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63791381 + ... + 76282458.

It is an arithmetic number, because the mean of its divisors is an integer number (38621579386320).

Almost surely, 2^{874836624354221} is an apocalyptic number.

It is an amenable number.

874836624354221 is a deficient number, since it is larger than the sum of its proper divisors (52081280917459).

874836624354221 is a wasteful number, since it uses less digits than its factorization.

874836624354221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140074065 (or 140074034 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 65.

The spelling of 874836624354221 in words is "eight hundred seventy-four trillion, eight hundred thirty-six billion, six hundred twenty-four million, three hundred fifty-four thousand, two hundred twenty-one".