2778063 has 8 divisors (see below), whose sum is σ = 3712176. Its totient is φ = 1848000.

The previous prime is 2778049. The next prime is 2778067. The reversal of 2778063 is 3608772.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2778063 - 2¹⁰ = 2777039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2778067) 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, 1443 + ... + 2763.

It is an arithmetic number, because the mean of its divisors is an integer number (464022).

2^2778063 is an apocalyptic number.

2778063 is a deficient number, since it is larger than the sum of its proper divisors (934113).

2778063 is a wasteful number, since it uses less digits than its factorization.

2778063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2025.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 2778063 is about 1666.7522311369. The cubic root of 2778063 is about 140.5769220337.

The spelling of 2778063 in words is "two million, seven hundred seventy-eight thousand, sixty-three".