2917912668 has 96 divisors (see below), whose sum is σ = 7636591872. Its totient is φ = 859622400.

The previous prime is 2917912663. The next prime is 2917912717. The reversal of 2917912668 is 8662197192.

It is a self number, because there is not a number n which added to its sum of digits gives 2917912668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2917912661) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 788703 + ... + 792393.

It is an arithmetic number, because the mean of its divisors is an integer number (79547832).

Almost surely, 2^2917912668 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 2917912668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3818295936).

2917912668 is an abundant number, since it is smaller than the sum of its proper divisors (4718679204).

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

2917912668 is a wasteful number, since it uses less digits than its factorization.

2917912668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3875 (or 3873 counting only the distinct ones).

The product of its digits is 653184, while the sum is 51.

The square root of 2917912668 is about 54017.7069857653. The cubic root of 2917912668 is about 1428.9732417927.

The spelling of 2917912668 in words is "two billion, nine hundred seventeen million, nine hundred twelve thousand, six hundred sixty-eight".