194872808284 has 96 divisors (see below), whose sum is σ = 436226757120. Its totient is φ = 73957094400.

The previous prime is 194872808281. The next prime is 194872808323. The reversal of 194872808284 is 482808278491.

It is a super-2 number, since 2×194872808284² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194872808281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8310144 + ... + 8333560.

It is an arithmetic number, because the mean of its divisors is an integer number (4544028720).

Almost surely, 2^194872808284 is an apocalyptic number.

194872808284 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194872808284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218113378560).

194872808284 is an abundant number, since it is smaller than the sum of its proper divisors (241353948836).

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

194872808284 is a wasteful number, since it uses less digits than its factorization.

194872808284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24139 (or 24137 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 61.

The spelling of 194872808284 in words is "one hundred ninety-four billion, eight hundred seventy-two million, eight hundred eight thousand, two hundred eighty-four".