5171886720 has 1536 divisors, whose sum is σ = 25803878400. Its totient is φ = 948879360.

The previous prime is 5171886703. The next prime is 5171886737. The reversal of 5171886720 is 276881715.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5171886703) and next prime (5171886737).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 224864629 + ... + 224864651.

It is an arithmetic number, because the mean of its divisors is an integer number (16799400).

Almost surely, 2^5171886720 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 5171886720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12901939200).

5171886720 is an abundant number, since it is smaller than the sum of its proper divisors (20631991680).

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

5171886720 is a wasteful number, since it uses less digits than its factorization.

5171886720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The square root of 5171886720 is about 71915.8308024040. The cubic root of 5171886720 is about 1729.3504104456.

The spelling of 5171886720 in words is "five billion, one hundred seventy-one million, eight hundred eighty-six thousand, seven hundred twenty".