9850557612 has 54 divisors (see below), whose sum is σ = 26743761828. Its totient is φ = 2813757408.

The previous prime is 9850557601. The next prime is 9850557617. The reversal of 9850557612 is 2167550589.

It is a happy number.

It is a super-3 number, since 3×9850557612³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (9850557617) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2404638 + ... + 2408730.

Almost surely, 2^9850557612 is an apocalyptic number.

It is an amenable number.

9850557612 is an abundant number, since it is smaller than the sum of its proper divisors (16893204216).

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

9850557612 is an equidigital number, since it uses as much as digits as its factorization.

9850557612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8207 (or 4105 counting only the distinct ones).

The product of its (nonzero) digits is 756000, while the sum is 48.

The square root of 9850557612 is about 99249.9753753118. The cubic root of 9850557612 is about 2143.6486517130.

Multiplying 9850557612 by its sum of digits (48), we get a square (472826765376 = 687624²).

The spelling of 9850557612 in words is "nine billion, eight hundred fifty million, five hundred fifty-seven thousand, six hundred twelve".