2678726514 has 64 divisors (see below), whose sum is σ = 5719633920. Its totient is φ = 833976000.

The previous prime is 2678726483. The next prime is 2678726537. The reversal of 2678726514 is 4156278762.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2702559 + ... + 2703549.

It is an arithmetic number, because the mean of its divisors is an integer number (89369280).

Almost surely, 2^2678726514 is an apocalyptic number.

2678726514 is an abundant number, since it is smaller than the sum of its proper divisors (3040907406).

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

2678726514 is a wasteful number, since it uses less digits than its factorization.

2678726514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1327.

The product of its digits is 1128960, while the sum is 48.

The square root of 2678726514 is about 51756.4151965725. The cubic root of 2678726514 is about 1388.8098630488.

It can be divided in two parts, 26787 and 26514, that added together give a triangular number (53301 = T₃₂₆).

The spelling of 2678726514 in words is "two billion, six hundred seventy-eight million, seven hundred twenty-six thousand, five hundred fourteen".