2678288277 has 16 divisors (see below), whose sum is σ = 4107201152. Its totient is φ = 1520700480.

The previous prime is 2678288233. The next prime is 2678288281. The reversal of 2678288277 is 7728828762.

It is not a de Polignac number, because 2678288277 - 2¹¹ = 2678286229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678288287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 402874 + ... + 409467.

It is an arithmetic number, because the mean of its divisors is an integer number (256700072).

Almost surely, 2^2678288277 is an apocalyptic number.

It is an amenable number.

2678288277 is a deficient number, since it is larger than the sum of its proper divisors (1428912875).

2678288277 is a wasteful number, since it uses less digits than its factorization.

2678288277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812508.

The product of its digits is 8429568, while the sum is 57.

The square root of 2678288277 is about 51752.1813743150. The cubic root of 2678288277 is about 1388.7341229464.

The spelling of 2678288277 in words is "two billion, six hundred seventy-eight million, two hundred eighty-eight thousand, two hundred seventy-seven".