5217675918 has 144 divisors (see below), whose sum is σ = 13839016320. Its totient is φ = 1303428672.

The previous prime is 5217675917. The next prime is 5217675961. The reversal of 5217675918 is 8195767125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5217675913) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 941271 + ... + 946797.

It is an arithmetic number, because the mean of its divisors is an integer number (96104280).

Almost surely, 2^5217675918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5217675918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6919508160).

5217675918 is an abundant number, since it is smaller than the sum of its proper divisors (8621340402).

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

5217675918 is a wasteful number, since it uses less digits than its factorization.

5217675918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5591 (or 5571 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 51.

The square root of 5217675918 is about 72233.4819733896. The cubic root of 5217675918 is about 1734.4390126018.

The spelling of 5217675918 in words is "five billion, two hundred seventeen million, six hundred seventy-five thousand, nine hundred eighteen".