26855748828 has 24 divisors (see below), whose sum is σ = 69626015760. Its totient is φ = 8951916240.

The previous prime is 26855748823. The next prime is 26855748833. The reversal of 26855748828 is 82884755862.

26855748828 is a `hidden beast` number, since 2 + 6 + 85 + 57 + 488 + 28 = 666.

It is an interprime number because it is at equal distance from previous prime (26855748823) and next prime (26855748833).

It is a super-2 number, since 2×26855748828² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26855748823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124332063 + ... + 124332278.

It is an arithmetic number, because the mean of its divisors is an integer number (2901083990).

Almost surely, 2^26855748828 is an apocalyptic number.

It is an amenable number.

26855748828 is an abundant number, since it is smaller than the sum of its proper divisors (42770266932).

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

26855748828 is a wasteful number, since it uses less digits than its factorization.

26855748828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248664354 (or 248664346 counting only the distinct ones).

The product of its digits is 68812800, while the sum is 63.

The spelling of 26855748828 in words is "twenty-six billion, eight hundred fifty-five million, seven hundred forty-eight thousand, eight hundred twenty-eight".