26056387 has 12 divisors (see below), whose sum is σ = 30410640. Its totient is φ = 22260336.

The previous prime is 26056369. The next prime is 26056397. The reversal of 26056387 is 78365062.

It is not a de Polignac number, because 26056387 - 2¹⁵ = 26023619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26056357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18378 + ... + 19744.

It is an arithmetic number, because the mean of its divisors is an integer number (2534220).

Almost surely, 2^26056387 is an apocalyptic number.

26056387 is a deficient number, since it is larger than the sum of its proper divisors (4354253).

26056387 is a wasteful number, since it uses less digits than its factorization.

26056387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1770 (or 1763 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 26056387 is about 5104.5457192585. The cubic root of 26056387 is about 296.4636140864.

The spelling of 26056387 in words is "twenty-six million, fifty-six thousand, three hundred eighty-seven".