26846531944872 has 128 divisors (see below), whose sum is σ = 71327842483200. Its totient is φ = 8405507635200.

The previous prime is 26846531944867. The next prime is 26846531944877. The reversal of 26846531944872 is 27844913564862.

It is an interprime number because it is at equal distance from previous prime (26846531944867) and next prime (26846531944877).

It is a junction number, because it is equal to n+sod(n) for n = 26846531944797 and 26846531944806.

It is not an unprimeable number, because it can be changed into a prime (26846531944877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10066722 + ... + 12451182.

It is an arithmetic number, because the mean of its divisors is an integer number (557248769400).

Almost surely, 2^{26846531944872} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26846531944872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35663921241600).

26846531944872 is an abundant number, since it is smaller than the sum of its proper divisors (44481310538328).

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

26846531944872 is a wasteful number, since it uses less digits than its factorization.

26846531944872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2384947 (or 2384943 counting only the distinct ones).

The product of its digits is 557383680, while the sum is 69.

The spelling of 26846531944872 in words is "twenty-six trillion, eight hundred forty-six billion, five hundred thirty-one million, nine hundred forty-four thousand, eight hundred seventy-two".