2979081768 has 64 divisors (see below), whose sum is σ = 8492420160. Its totient is φ = 862718976.

The previous prime is 2979081761. The next prime is 2979081773. The reversal of 2979081768 is 8671809792.

It is not an unprimeable number, because it can be changed into a prime (2979081761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 275530 + ... + 286137.

It is an arithmetic number, because the mean of its divisors is an integer number (132694065).

Almost surely, 2^2979081768 is an apocalyptic number.

It is an amenable number.

2979081768 is an abundant number, since it is smaller than the sum of its proper divisors (5513338392).

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

2979081768 is a wasteful number, since it uses less digits than its factorization.

2979081768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561706 (or 561702 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The square root of 2979081768 is about 54580.9652534654. The cubic root of 2979081768 is about 1438.8896030880.

The spelling of 2979081768 in words is "two billion, nine hundred seventy-nine million, eighty-one thousand, seven hundred sixty-eight".