4097784852 has 144 divisors (see below), whose sum is σ = 12165334272. Its totient is φ = 1138613760.

The previous prime is 4097784833. The next prime is 4097784877. The reversal of 4097784852 is 2584877904.

It is a happy number.

4097784852 is a `hidden beast` number, since 4 + 0 + 97 + 78 + 485 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6333193 + ... + 6333839.

It is an arithmetic number, because the mean of its divisors is an integer number (84481488).

Almost surely, 2^4097784852 is an apocalyptic number.

4097784852 is a gapful number since it is divisible by the number (42) 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 4097784852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6082667136).

4097784852 is an abundant number, since it is smaller than the sum of its proper divisors (8067549420).

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

4097784852 is a wasteful number, since it uses less digits than its factorization.

4097784852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318 (or 1313 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 54.

The square root of 4097784852 is about 64013.9426375223. The cubic root of 4097784852 is about 1600.2323688555.

The spelling of 4097784852 in words is "four billion, ninety-seven million, seven hundred eighty-four thousand, eight hundred fifty-two".