26878325 has 6 divisors (see below), whose sum is σ = 33329154. Its totient is φ = 21502640.

The previous prime is 26878307. The next prime is 26878349. The reversal of 26878325 is 52387862.

It can be written as a sum of positive squares in 3 ways, for example, as 5134756 + 21743569 = 2266^2 + 4663^2 .

It is not a de Polignac number, because 26878325 - 2⁸ = 26878069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537542 + ... + 537591.

It is an arithmetic number, because the mean of its divisors is an integer number (5554859).

Almost surely, 2^26878325 is an apocalyptic number.

26878325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26878325 is a deficient number, since it is larger than the sum of its proper divisors (6450829).

26878325 is a wasteful number, since it uses less digits than its factorization.

26878325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075143 (or 1075138 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 26878325 is about 5184.4310198902. The cubic root of 26878325 is about 299.5486732061.

The spelling of 26878325 in words is "twenty-six million, eight hundred seventy-eight thousand, three hundred twenty-five".