5681239876 has 45 divisors (see below), whose sum is σ = 10819170411. Its totient is φ = 2610352368.

The previous prime is 5681239853. The next prime is 5681239897. The reversal of 5681239876 is 6789321865.

The square root of 5681239876 is 75374.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2816849476 + 2864390400 = 53074^2 + 53520^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 25476301 + ... + 25476523.

Almost surely, 2^5681239876 is an apocalyptic number.

5681239876 is the 75374-th square number.

It is an amenable number.

5681239876 is a deficient number, since it is larger than the sum of its proper divisors (5137930535).

5681239876 is an frugal number, since it uses more digits than its factorization.

5681239876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 238 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 55.

The cubic root of 5681239876 is about 1784.3540963794.

The spelling of 5681239876 in words is "five billion, six hundred eighty-one million, two hundred thirty-nine thousand, eight hundred seventy-six".