5217271680 has 128 divisors (see below), whose sum is σ = 17203687200. Its totient is φ = 1343283200.

The previous prime is 5217271679. The next prime is 5217271681. The reversal of 5217271680 is 861727125.

It is an interprime number because it is at equal distance from previous prime (5217271679) and next prime (5217271681).

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217271681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8830 + ... + 102530.

Almost surely, 2^5217271680 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 5217271680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8601843600).

5217271680 is an abundant number, since it is smaller than the sum of its proper divisors (11986415520).

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

5217271680 is a wasteful number, since it uses less digits than its factorization.

5217271680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93752 (or 93740 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 5217271680 is about 72230.6837846631. The cubic root of 5217271680 is about 1734.3942197172.

The spelling of 5217271680 in words is "five billion, two hundred seventeen million, two hundred seventy-one thousand, six hundred eighty".