9822851860 has 12 divisors (see below), whose sum is σ = 20627988948. Its totient is φ = 3929140736.

The previous prime is 9822851851. The next prime is 9822851869. The reversal of 9822851860 is 681582289.

It is an interprime number because it is at equal distance from previous prime (9822851851) and next prime (9822851869).

It can be written as a sum of positive squares in 2 ways, for example, as 2118576784 + 7704275076 = 46028^2 + 87774^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9822851869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 245571277 + ... + 245571316.

It is an arithmetic number, because the mean of its divisors is an integer number (1718999079).

Almost surely, 2^9822851860 is an apocalyptic number.

It is an amenable number.

9822851860 is an abundant number, since it is smaller than the sum of its proper divisors (10805137088).

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

9822851860 is a wasteful number, since it uses less digits than its factorization.

9822851860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491142602 (or 491142600 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 49.

The square root of 9822851860 is about 99110.3014827419. The cubic root of 9822851860 is about 2141.6370171438.

The spelling of 9822851860 in words is "nine billion, eight hundred twenty-two million, eight hundred fifty-one thousand, eight hundred sixty".