2997068778 has 144 divisors (see below), whose sum is σ = 7714418400. Its totient is φ = 831643200.

The previous prime is 2997068761. The next prime is 2997068807. The reversal of 2997068778 is 8778607992.

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 71 ways as a sum of consecutive naturals, for example, 3614868 + ... + 3615696.

It is an arithmetic number, because the mean of its divisors is an integer number (53572350).

Almost surely, 2^2997068778 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2997068778, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3857209200).

2997068778 is an abundant number, since it is smaller than the sum of its proper divisors (4717349622).

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

2997068778 is a wasteful number, since it uses less digits than its factorization.

2997068778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 21337344, while the sum is 63.

The square root of 2997068778 is about 54745.4909376106. The cubic root of 2997068778 is about 1441.7796890524.

The spelling of 2997068778 in words is "two billion, nine hundred ninety-seven million, sixty-eight thousand, seven hundred seventy-eight".