9822679640 has 64 divisors (see below), whose sum is σ = 22317120000. Its totient is φ = 3890805120.

The previous prime is 9822679631. The next prime is 9822679649. The reversal of 9822679640 is 469762289.

It is an interprime number because it is at equal distance from previous prime (9822679631) and next prime (9822679649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9822679649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2394311 + ... + 2398409.

It is an arithmetic number, because the mean of its divisors is an integer number (348705000).

Almost surely, 2^9822679640 is an apocalyptic number.

It is an amenable number.

9822679640 is an abundant number, since it is smaller than the sum of its proper divisors (12494440360).

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

9822679640 is a wasteful number, since it uses less digits than its factorization.

9822679640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4680 (or 4676 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 53.

The square root of 9822679640 is about 99109.4326489664. The cubic root of 9822679640 is about 2141.6245009253.

The spelling of 9822679640 in words is "nine billion, eight hundred twenty-two million, six hundred seventy-nine thousand, six hundred forty".