5071321008 has 160 divisors (see below), whose sum is σ = 16501721600. Its totient is φ = 1478248704.

The previous prime is 5071321007. The next prime is 5071321019. The reversal of 5071321008 is 8001231705.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (5071321007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82941 + ... + 130467.

It is an arithmetic number, because the mean of its divisors is an integer number (103135760).

Almost surely, 2^5071321008 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 5071321008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8250860800).

5071321008 is an abundant number, since it is smaller than the sum of its proper divisors (11430400592).

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

5071321008 is a wasteful number, since it uses less digits than its factorization.

5071321008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47576 (or 47564 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 5071321008 is about 71213.2081007449. The cubic root of 5071321008 is about 1718.0680724169.

The spelling of 5071321008 in words is "five billion, seventy-one million, three hundred twenty-one thousand, eight".