2996787780 has 168 divisors, whose sum is σ = 10783870272. Its totient is φ = 684956736.

The previous prime is 2996787769. The next prime is 2996787803. The reversal of 2996787780 is 877876992.

2996787780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 87379 + ... + 116741.

It is an arithmetic number, because the mean of its divisors is an integer number (64189704).

Almost surely, 2^2996787780 is an apocalyptic number.

2996787780 is a gapful number since it is divisible by the number (20) 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 2996787780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5391935136).

2996787780 is an abundant number, since it is smaller than the sum of its proper divisors (7787082492).

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

2996787780 is a wasteful number, since it uses less digits than its factorization.

2996787780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29397 (or 29380 counting only the distinct ones).

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

The square root of 2996787780 is about 54742.9244743099. The cubic root of 2996787780 is about 1441.7346283724.

The spelling of 2996787780 in words is "two billion, nine hundred ninety-six million, seven hundred eighty-seven thousand, seven hundred eighty".