2978107216 has 40 divisors (see below), whose sum is σ = 6597593600. Its totient is φ = 1275709824.

The previous prime is 2978107213. The next prime is 2978107217. The reversal of 2978107216 is 6127018792.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2978107213) 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 7 ways as a sum of consecutive naturals, for example, 281185 + ... + 291583.

It is an arithmetic number, because the mean of its divisors is an integer number (164939840).

Almost surely, 2^2978107216 is an apocalyptic number.

It is an amenable number.

2978107216 is an abundant number, since it is smaller than the sum of its proper divisors (3619486384).

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

2978107216 is a wasteful number, since it uses less digits than its factorization.

2978107216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12971 (or 12965 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 2978107216 is about 54572.0369420090. The cubic root of 2978107216 is about 1438.7326838551.

The spelling of 2978107216 in words is "two billion, nine hundred seventy-eight million, one hundred seven thousand, two hundred sixteen".