7847213000 has 96 divisors (see below), whose sum is σ = 20183861880. Its totient is φ = 2853488000.

The previous prime is 7847212987. The next prime is 7847213051. The reversal of 7847213000 is 3127487.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3406589956 + 4440623044 = 58366^2 + 66638^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 88574 + ... + 153426.

Almost surely, 2^7847213000 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 7847213000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10091930940).

7847213000 is an abundant number, since it is smaller than the sum of its proper divisors (12336648880).

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

7847213000 is a wasteful number, since it uses less digits than its factorization.

7847213000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64896 (or 64871 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 7847213000 is about 88584.4963862187. The cubic root of 7847213000 is about 1987.1858237880.

The spelling of 7847213000 in words is "seven billion, eight hundred forty-seven million, two hundred thirteen thousand".