26880547 has 4 divisors (see below), whose sum is σ = 27505720. Its totient is φ = 26255376.

The previous prime is 26880541. The next prime is 26880551. The reversal of 26880547 is 74508862.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26880547 - 2¹¹ = 26878499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26880541) 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, 312522 + ... + 312607.

It is an arithmetic number, because the mean of its divisors is an integer number (6876430).

Almost surely, 2^26880547 is an apocalyptic number.

26880547 is a deficient number, since it is larger than the sum of its proper divisors (625173).

26880547 is an equidigital number, since it uses as much as digits as its factorization.

26880547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625172.

The product of its (nonzero) digits is 107520, while the sum is 40.

The square root of 26880547 is about 5184.6453109157. The cubic root of 26880547 is about 299.5569274259.

The spelling of 26880547 in words is "twenty-six million, eight hundred eighty thousand, five hundred forty-seven".