7898224500 has 72 divisors (see below), whose sum is σ = 24916279752. Its totient is φ = 2106192000.

The previous prime is 7898224493. The next prime is 7898224511. The reversal of 7898224500 is 54228987.

It can be written as a sum of positive squares in 4 ways, for example, as 2056985316 + 5841239184 = 45354^2 + 76428^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 873081 + ... + 882080.

It is an arithmetic number, because the mean of its divisors is an integer number (346059441).

Almost surely, 2^7898224500 is an apocalyptic number.

It is an amenable number.

7898224500 is an abundant number, since it is smaller than the sum of its proper divisors (17018055252).

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

7898224500 is a wasteful number, since it uses less digits than its factorization.

7898224500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1755186 (or 1755171 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 45.

The square root of 7898224500 is about 88871.9556440613. The cubic root of 7898224500 is about 1991.4824858034.

The spelling of 7898224500 in words is "seven billion, eight hundred ninety-eight million, two hundred twenty-four thousand, five hundred".