5831345988 has 144 divisors (see below), whose sum is σ = 16259246640. Its totient is φ = 1751113728.

The previous prime is 5831345981. The next prime is 5831346011. The reversal of 5831345988 is 8895431385.

5831345988 is a `hidden beast` number, since 583 + 1 + 3 + 4 + 59 + 8 + 8 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 644753664 + 5186592324 = 25392^2 + 72018^2 .

It is a super-2 number, since 2×5831345988² = 68009192063527392288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5831345981) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5778828 + ... + 5779836.

It is an arithmetic number, because the mean of its divisors is an integer number (112911435).

Almost surely, 2^5831345988 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 5831345988, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8129623320).

5831345988 is an abundant number, since it is smaller than the sum of its proper divisors (10427900652).

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

5831345988 is a wasteful number, since it uses less digits than its factorization.

5831345988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1313 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 54.

The square root of 5831345988 is about 76363.2502451277. The cubic root of 5831345988 is about 1799.9327122995.

The spelling of 5831345988 in words is "five billion, eight hundred thirty-one million, three hundred forty-five thousand, nine hundred eighty-eight".