2778888070 has 32 divisors (see below), whose sum is σ = 5733000000. Its totient is φ = 950023296.

The previous prime is 2778888053. The next prime is 2778888097. The reversal of 2778888070 is 708888772.

2778888070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32445 + ... + 81304.

It is an arithmetic number, because the mean of its divisors is an integer number (179156250).

Almost surely, 2^2778888070 is an apocalyptic number.

2778888070 is an abundant number, since it is smaller than the sum of its proper divisors (2954111930).

2778888070 is a wasteful number, since it uses less digits than its factorization.

2778888070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114112.

The product of its (nonzero) digits is 2809856, while the sum is 55.

The square root of 2778888070 is about 52715.1597740157. The cubic root of 2778888070 is about 1405.9083752337.

The spelling of 2778888070 in words is "two billion, seven hundred seventy-eight million, eight hundred eighty-eight thousand, seventy".