2678220311 has 16 divisors (see below), whose sum is σ = 2935624608. Its totient is φ = 2428272000.

The previous prime is 2678220289. The next prime is 2678220329. The reversal of 2678220311 is 1130228762.

It is a cyclic number.

It is not a de Polignac number, because 2678220311 - 2²² = 2674026007 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 (2678220911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 693536 + ... + 697386.

It is an arithmetic number, because the mean of its divisors is an integer number (183476538).

Almost surely, 2^2678220311 is an apocalyptic number.

2678220311 is a deficient number, since it is larger than the sum of its proper divisors (257404297).

2678220311 is a wasteful number, since it uses less digits than its factorization.

2678220311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4802.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2678220311 is about 51751.5247214998. The cubic root of 2678220311 is about 1388.7223757043.

The spelling of 2678220311 in words is "two billion, six hundred seventy-eight million, two hundred twenty thousand, three hundred eleven".