5815845852 has 24 divisors (see below), whose sum is σ = 13608759696. Its totient is φ = 1933122048.

The previous prime is 5815845829. The next prime is 5815845857. The reversal of 5815845852 is 2585485185.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5815845795 and 5815845804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5815845857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 682243 + ... + 690714.

It is an arithmetic number, because the mean of its divisors is an integer number (567031654).

Almost surely, 2^5815845852 is an apocalyptic number.

It is an amenable number.

5815845852 is an abundant number, since it is smaller than the sum of its proper divisors (7792913844).

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

5815845852 is a wasteful number, since it uses less digits than its factorization.

5815845852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373317 (or 1373315 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 51.

The square root of 5815845852 is about 76261.6932148769. The cubic root of 5815845852 is about 1798.3365137651.

The spelling of 5815845852 in words is "five billion, eight hundred fifteen million, eight hundred forty-five thousand, eight hundred fifty-two".