2770878 has 16 divisors (see below), whose sum is σ = 6045696. Its totient is φ = 839640.

The previous prime is 2770849. The next prime is 2770883. The reversal of 2770878 is 8780772.

It is a congruent number.

It is an unprimeable number.

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, 20926 + ... + 21057.

It is an arithmetic number, because the mean of its divisors is an integer number (377856).

2^2770878 is an apocalyptic number.

2770878 is an abundant number, since it is smaller than the sum of its proper divisors (3274818).

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

2770878 is a wasteful number, since it uses less digits than its factorization.

2770878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41999.

The product of its (nonzero) digits is 43904, while the sum is 39.

The square root of 2770878 is about 1664.5954463472. The cubic root of 2770878 is about 140.4556244234.

The spelling of 2770878 in words is "two million, seven hundred seventy thousand, eight hundred seventy-eight".