2778014512 has 80 divisors (see below), whose sum is σ = 6634297600. Its totient is φ = 1097369856.

The previous prime is 2778014509. The next prime is 2778014513. The reversal of 2778014512 is 2154108772.

It is not an unprimeable number, because it can be changed into a prime (2778014513) 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, 1634239 + ... + 1635937.

It is an arithmetic number, because the mean of its divisors is an integer number (82928720).

Almost surely, 2^2778014512 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2778014512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3317148800).

2778014512 is an abundant number, since it is smaller than the sum of its proper divisors (3856283088).

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

2778014512 is a wasteful number, since it uses less digits than its factorization.

2778014512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2850 (or 2844 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 37.

The square root of 2778014512 is about 52706.8734796516. The cubic root of 2778014512 is about 1405.7610415771.

The spelling of 2778014512 in words is "two billion, seven hundred seventy-eight million, fourteen thousand, five hundred twelve".