2978608716 has 36 divisors (see below), whose sum is σ = 7619982552. Its totient is φ = 980906304.

The previous prime is 2978608679. The next prime is 2978608723. The reversal of 2978608716 is 6178068792.

2978608716 is a `hidden beast` number, since 29 + 7 + 8 + 608 + 7 + 1 + 6 = 666.

2978608716 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 495441 + ... + 501416.

It is an arithmetic number, because the mean of its divisors is an integer number (211666182).

Almost surely, 2^2978608716 is an apocalyptic number.

It is an amenable number.

2978608716 is an abundant number, since it is smaller than the sum of its proper divisors (4641373836).

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

2978608716 is a wasteful number, since it uses less digits than its factorization.

2978608716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996950 (or 996945 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The square root of 2978608716 is about 54576.6315926514. The cubic root of 2978608716 is about 1438.8134380492.

The spelling of 2978608716 in words is "two billion, nine hundred seventy-eight million, six hundred eight thousand, seven hundred sixteen".