26855730870 has 16 divisors (see below), whose sum is σ = 64453754160. Its totient is φ = 7161528224.

The previous prime is 26855730857. The next prime is 26855730871. The reversal of 26855730870 is 7803755862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26855730871) by changing a digit.

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, 447595485 + ... + 447595544.

It is an arithmetic number, because the mean of its divisors is an integer number (4028359635).

Almost surely, 2^26855730870 is an apocalyptic number.

26855730870 is an abundant number, since it is smaller than the sum of its proper divisors (37598023290).

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

26855730870 is a wasteful number, since it uses less digits than its factorization.

26855730870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895191039.

The product of its (nonzero) digits is 2822400, while the sum is 51.

The spelling of 26855730870 in words is "twenty-six billion, eight hundred fifty-five million, seven hundred thirty thousand, eight hundred seventy".