5643915876 has 81 divisors (see below), whose sum is σ = 15079839411. Its totient is φ = 1779584688.

The previous prime is 5643915863. The next prime is 5643915877. The reversal of 5643915876 is 6785193465.

The square root of 5643915876 is 75126.

It is a perfect power (a square), and thus also a powerful number.

5643915876 is a `hidden beast` number, since 56 + 4 + 3 + 9 + 1 + 587 + 6 = 666.

It is not an unprimeable number, because it can be changed into a prime (5643915877) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 8564035 + ... + 8564693.

Almost surely, 2^5643915876 is an apocalyptic number.

5643915876 is the 75126-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5643915876

5643915876 is an abundant number, since it is smaller than the sum of its proper divisors (9435923535).

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

5643915876 is a wasteful number, since it uses less digits than its factorization.

5643915876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366 (or 683 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The cubic root of 5643915876 is about 1780.4379551907.

The spelling of 5643915876 in words is "five billion, six hundred forty-three million, nine hundred fifteen thousand, eight hundred seventy-six".