26828777010 has 128 divisors (see below), whose sum is σ = 74828597760. Its totient is φ = 6029697024.

The previous prime is 26828776987. The next prime is 26828777023. The reversal of 26828777010 is 1077782862.

It is a happy 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 63 ways as a sum of consecutive naturals, for example, 3193896 + ... + 3202284.

It is an arithmetic number, because the mean of its divisors is an integer number (584598420).

Almost surely, 2^26828777010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26828777010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37414298880).

26828777010 is an abundant number, since it is smaller than the sum of its proper divisors (47999820750).

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

26828777010 is a wasteful number, since it uses less digits than its factorization.

26828777010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8660.

The product of its (nonzero) digits is 526848, while the sum is 48.

The spelling of 26828777010 in words is "twenty-six billion, eight hundred twenty-eight million, seven hundred seventy-seven thousand, ten".