2606886728 has 32 divisors (see below), whose sum is σ = 5013723000. Its totient is φ = 1270287360.

The previous prime is 2606886713. The next prime is 2606886781. The reversal of 2606886728 is 8276886062.

It can be written as a sum of positive squares in 4 ways, for example, as 848090884 + 1758795844 = 29122^2 + 41938^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2606886728.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 28688 + ... + 77696.

Almost surely, 2^2606886728 is an apocalyptic number.

It is an amenable number.

2606886728 is a deficient number, since it is larger than the sum of its proper divisors (2406836272).

2606886728 is a wasteful number, since it uses less digits than its factorization.

2606886728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49185 (or 49181 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 53.

The square root of 2606886728 is about 51057.6804016790. The cubic root of 2606886728 is about 1376.2818640740.

The spelling of 2606886728 in words is "two billion, six hundred six million, eight hundred eighty-six thousand, seven hundred twenty-eight".