26380487 has 8 divisors (see below), whose sum is σ = 30643872. Its totient is φ = 22240800.

The previous prime is 26380477. The next prime is 26380499. The reversal of 26380487 is 78408362.

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 26380487 - 2¹² = 26376391 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26380487.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26380477) 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, 30464 + ... + 31317.

It is an arithmetic number, because the mean of its divisors is an integer number (3830484).

Almost surely, 2^26380487 is an apocalyptic number.

26380487 is a deficient number, since it is larger than the sum of its proper divisors (4263385).

26380487 is an equidigital number, since it uses as much as digits as its factorization.

26380487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61849.

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 26380487 is about 5136.1938242243. The cubic root of 26380487 is about 297.6877312393.

The spelling of 26380487 in words is "twenty-six million, three hundred eighty thousand, four hundred eighty-seven".