5212151784 has 96 divisors (see below), whose sum is σ = 16161712320. Its totient is φ = 1486522368.

The previous prime is 5212151761. The next prime is 5212151797. The reversal of 5212151784 is 4871512125.

It is a happy number.

5212151784 is a `hidden beast` number, since 52 + 12 + 1 + 517 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 281847 + ... + 299769.

It is an arithmetic number, because the mean of its divisors is an integer number (168351170).

Almost surely, 2^5212151784 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 5212151784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8080856160).

5212151784 is an abundant number, since it is smaller than the sum of its proper divisors (10949560536).

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

5212151784 is a wasteful number, since it uses less digits than its factorization.

5212151784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18519 (or 18512 counting only the distinct ones).

The product of its digits is 22400, while the sum is 36.

The square root of 5212151784 is about 72195.2338039015. The cubic root of 5212151784 is about 1733.8266929277.

The spelling of 5212151784 in words is "five billion, two hundred twelve million, one hundred fifty-one thousand, seven hundred eighty-four".