2628778262 has 16 divisors (see below), whose sum is σ = 4328033472. Its totient is φ = 1187566920.

The previous prime is 2628778219. The next prime is 2628778343.

2628778262 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 2628778262.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 362948 + ... + 370119.

It is an arithmetic number, because the mean of its divisors is an integer number (270502092).

Almost surely, 2^2628778262 is an apocalyptic number.

2628778262 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2628778262 is a deficient number, since it is larger than the sum of its proper divisors (1699255210).

2628778262 is a wasteful number, since it uses less digits than its factorization.

2628778262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733243.

The product of its digits is 1806336, while the sum is 50.

The square root of 2628778262 is about 51271.6126331131. The cubic root of 2628778262 is about 1380.1236082656.

The spelling of 2628778262 in words is "two billion, six hundred twenty-eight million, seven hundred seventy-eight thousand, two hundred sixty-two".