7845213500 has 48 divisors (see below), whose sum is σ = 17350919040. Its totient is φ = 3098347200.

The previous prime is 7845213491. The next prime is 7845213517. The reversal of 7845213500 is 53125487.

It is a happy number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 59807 + ... + 138806.

It is an arithmetic number, because the mean of its divisors is an integer number (361477480).

Almost surely, 2^7845213500 is an apocalyptic number.

It is an amenable number.

7845213500 is an abundant number, since it is smaller than the sum of its proper divisors (9505705540).

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

7845213500 is a wasteful number, since it uses less digits than its factorization.

7845213500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198711 (or 198699 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 35.

The square root of 7845213500 is about 88573.2098323189. The cubic root of 7845213500 is about 1987.0170285915.

Adding to 7845213500 its reverse (53125487), we get a palindrome (7898338987).

The spelling of 7845213500 in words is "seven billion, eight hundred forty-five million, two hundred thirteen thousand, five hundred".