2678707720 has 32 divisors (see below), whose sum is σ = 6490716120. Its totient is φ = 989061120.

The previous prime is 2678707711. The next prime is 2678707727. The reversal of 2678707720 is 277078762.

2678707720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 711075556 + 1967632164 = 26666^2 + 44358^2 .

It is not an unprimeable number, because it can be changed into a prime (2678707727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2575161 + ... + 2576200.

Almost surely, 2^2678707720 is an apocalyptic number.

2678707720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2678707720 is an abundant number, since it is smaller than the sum of its proper divisors (3812008400).

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

2678707720 is a wasteful number, since it uses less digits than its factorization.

2678707720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5151385 (or 5151381 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 46.

The square root of 2678707720 is about 51756.2336342203. The cubic root of 2678707720 is about 1388.8066150684.

The spelling of 2678707720 in words is "two billion, six hundred seventy-eight million, seven hundred seven thousand, seven hundred twenty".