26287816 has 16 divisors (see below), whose sum is σ = 49357440. Its totient is φ = 13125840.

The previous prime is 26287801. The next prime is 26287817. The reversal of 26287816 is 61878262.

It is not an unprimeable number, because it can be changed into a prime (26287817) 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, 5485 + ... + 9091.

It is an arithmetic number, because the mean of its divisors is an integer number (3084840).

Almost surely, 2^26287816 is an apocalyptic number.

It is an amenable number.

26287816 is a deficient number, since it is larger than the sum of its proper divisors (23069624).

26287816 is a wasteful number, since it uses less digits than its factorization.

26287816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4524 (or 4520 counting only the distinct ones).

The product of its digits is 64512, while the sum is 40.

The square root of 26287816 is about 5127.1645185229. The cubic root of 26287816 is about 297.3387436706.

The spelling of 26287816 in words is "twenty-six million, two hundred eighty-seven thousand, eight hundred sixteen".