5180857686 has 96 divisors (see below), whose sum is σ = 12199299840. Its totient is φ = 1644771744.

The previous prime is 5180857651. The next prime is 5180857687. The reversal of 5180857686 is 6867580815.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5180857687) 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, 3006021 + ... + 3007743.

It is an arithmetic number, because the mean of its divisors is an integer number (127076040).

Almost surely, 2^5180857686 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5180857686, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6099649920).

5180857686 is an abundant number, since it is smaller than the sum of its proper divisors (7018442154).

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

5180857686 is a wasteful number, since it uses less digits than its factorization.

5180857686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 54.

The square root of 5180857686 is about 71978.1750671688. The cubic root of 5180857686 is about 1730.3497222528.

The spelling of 5180857686 in words is "five billion, one hundred eighty million, eight hundred fifty-seven thousand, six hundred eighty-six".