26461287 has 12 divisors (see below), whose sum is σ = 38706720. Its totient is φ = 17417088.

The previous prime is 26461283. The next prime is 26461343. The reversal of 26461287 is 78216462.

26461287 is a `hidden beast` number, since 2 + 646 + 1 + 2 + 8 + 7 = 666.

It is not a de Polignac number, because 26461287 - 2² = 26461283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26461283) 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, 17898 + ... + 19319.

It is an arithmetic number, because the mean of its divisors is an integer number (3225560).

Almost surely, 2^26461287 is an apocalyptic number.

26461287 is a deficient number, since it is larger than the sum of its proper divisors (12245433).

26461287 is a wasteful number, since it uses less digits than its factorization.

26461287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37302 (or 37299 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 26461287 is about 5144.0535572640. The cubic root of 26461287 is about 297.9913477361.

The spelling of 26461287 in words is "twenty-six million, four hundred sixty-one thousand, two hundred eighty-seven".