5571985860 has 72 divisors (see below), whose sum is σ = 19316222016. Its totient is φ = 1273596480.

The previous prime is 5571985823. The next prime is 5571985873. The reversal of 5571985860 is 685891755.

5571985860 is a `hidden beast` number, since 5 + 57 + 1 + 9 + 8 + 586 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5571985797 and 5571985806.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2209846 + ... + 2212365.

Almost surely, 2^5571985860 is an apocalyptic number.

It is an amenable number.

5571985860 is an abundant number, since it is smaller than the sum of its proper divisors (13744236156).

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

5571985860 is a wasteful number, since it uses less digits than its factorization.

5571985860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4422233 (or 4422228 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 54.

The square root of 5571985860 is about 74645.7357120954. The cubic root of 5571985860 is about 1772.8418772887.

The spelling of 5571985860 in words is "five billion, five hundred seventy-one million, nine hundred eighty-five thousand, eight hundred sixty".