3156784896 has 72 divisors (see below), whose sum is σ = 8485044624. Its totient is φ = 1041817600.

The previous prime is 3156784867. The next prime is 3156784913. The reversal of 3156784896 is 6984876513.

It is a super-2 number, since 2×3156784896² = 19930581759227461632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57220 + ... + 97916.

It is an arithmetic number, because the mean of its divisors is an integer number (117847842).

Almost surely, 2^3156784896 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 3156784896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4242522312).

3156784896 is an abundant number, since it is smaller than the sum of its proper divisors (5328259728).

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

3156784896 is a wasteful number, since it uses less digits than its factorization.

3156784896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40817 (or 40803 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 57.

The square root of 3156784896 is about 56185.2729458530. The cubic root of 3156784896 is about 1466.9489366726.

The spelling of 3156784896 in words is "three billion, one hundred fifty-six million, seven hundred eighty-four thousand, eight hundred ninety-six".