2973778808 has 128 divisors (see below), whose sum is σ = 7590481920. Its totient is φ = 1054632960.

The previous prime is 2973778807. The next prime is 2973778823. The reversal of 2973778808 is 8088773792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2973778807) 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, 582041 + ... + 587127.

It is an arithmetic number, because the mean of its divisors is an integer number (59300640).

Almost surely, 2^2973778808 is an apocalyptic number.

2973778808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2973778808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3795240960).

2973778808 is an abundant number, since it is smaller than the sum of its proper divisors (4616703112).

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

2973778808 is a wasteful number, since it uses less digits than its factorization.

2973778808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5197 (or 5193 counting only the distinct ones).

The product of its (nonzero) digits is 9483264, while the sum is 59.

The square root of 2973778808 is about 54532.3647754249. The cubic root of 2973778808 is about 1438.0353235249.

The spelling of 2973778808 in words is "two billion, nine hundred seventy-three million, seven hundred seventy-eight thousand, eight hundred eight".