9791863292904 has 768 divisors, whose sum is σ = 33741840384000. Its totient is φ = 2310171494400.

The previous prime is 9791863292899. The next prime is 9791863292921. The reversal of 9791863292904 is 4092923681979.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 827079417 + ... + 827091255.

It is an arithmetic number, because the mean of its divisors is an integer number (43934688000).

Almost surely, 2^{9791863292904} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9791863292904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16870920192000).

9791863292904 is an abundant number, since it is smaller than the sum of its proper divisors (23949977091096).

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

9791863292904 is a wasteful number, since it uses less digits than its factorization.

9791863292904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11990 (or 11975 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 69.

The spelling of 9791863292904 in words is "nine trillion, seven hundred ninety-one billion, eight hundred sixty-three million, two hundred ninety-two thousand, nine hundred four".