26871857452 has 12 divisors (see below), whose sum is σ = 51300818856. Its totient is φ = 12214480640.

The previous prime is 26871857413. The next prime is 26871857459. The reversal of 26871857452 is 25475817862.

It is a junction number, because it is equal to n+sod(n) for n = 26871857393 and 26871857402.

It is not an unprimeable number, because it can be changed into a prime (26871857459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305361973 + ... + 305362060.

It is an arithmetic number, because the mean of its divisors is an integer number (4275068238).

Almost surely, 2^26871857452 is an apocalyptic number.

26871857452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26871857452 is a deficient number, since it is larger than the sum of its proper divisors (24428961404).

26871857452 is a wasteful number, since it uses less digits than its factorization.

26871857452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610724048 (or 610724046 counting only the distinct ones).

The product of its digits is 7526400, while the sum is 55.

The spelling of 26871857452 in words is "twenty-six billion, eight hundred seventy-one million, eight hundred fifty-seven thousand, four hundred fifty-two".