26380857 has 8 divisors (see below), whose sum is σ = 35431776. Its totient is φ = 17458592.

The previous prime is 26380789. The next prime is 26380859. The reversal of 26380857 is 75808362.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26380857 - 2¹⁰ = 26379833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26380859) 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 7 ways as a sum of consecutive naturals, for example, 31683 + ... + 32504.

It is an arithmetic number, because the mean of its divisors is an integer number (4428972).

Almost surely, 2^26380857 is an apocalyptic number.

It is an amenable number.

26380857 is a deficient number, since it is larger than the sum of its proper divisors (9050919).

26380857 is a wasteful number, since it uses less digits than its factorization.

26380857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64327.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 26380857 is about 5136.2298429879. The cubic root of 26380857 is about 297.6891229743.

The spelling of 26380857 in words is "twenty-six million, three hundred eighty thousand, eight hundred fifty-seven".