5219878664 has 384 divisors, whose sum is σ = 14651280000. Its totient is φ = 1717148160.

The previous prime is 5219878663. The next prime is 5219878669. The reversal of 5219878664 is 4668789125.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (56).

Its product of digits (5806080) is a multiple of the sum of its prime divisors (81).

It is not an unprimeable number, because it can be changed into a prime (5219878663) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 179995802 + ... + 179995830.

It is an arithmetic number, because the mean of its divisors is an integer number (38154375).

Almost surely, 2^5219878664 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 5219878664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7325640000).

5219878664 is an abundant number, since it is smaller than the sum of its proper divisors (9431401336).

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

5219878664 is a wasteful number, since it uses less digits than its factorization.

5219878664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 81 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 56.

The square root of 5219878664 is about 72248.7277673455. The cubic root of 5219878664 is about 1734.6830542751.

The spelling of 5219878664 in words is "five billion, two hundred nineteen million, eight hundred seventy-eight thousand, six hundred sixty-four".