9812679660 has 96 divisors (see below), whose sum is σ = 34889541120. Its totient is φ = 2242897344.

The previous prime is 9812679629. The next prime is 9812679671. The reversal of 9812679660 is 669762189.

9812679660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 9812679597 and 9812679606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1294194 + ... + 1301753.

It is an arithmetic number, because the mean of its divisors is an integer number (363432720).

Almost surely, 2^9812679660 is an apocalyptic number.

9812679660 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9812679660 is an abundant number, since it is smaller than the sum of its proper divisors (25076861460).

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

9812679660 is a wasteful number, since it uses less digits than its factorization.

9812679660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2595972 (or 2595964 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 9812679660 is about 99058.9706185159. The cubic root of 9812679660 is about 2140.8974938130.

The spelling of 9812679660 in words is "nine billion, eight hundred twelve million, six hundred seventy-nine thousand, six hundred sixty".