26648775 has 36 divisors (see below), whose sum is σ = 50545872. Its totient is φ = 13374720.

The previous prime is 26648761. The next prime is 26648779. The reversal of 26648775 is 57784662.

It is not a de Polignac number, because 26648775 - 2⁴ = 26648759 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 26648775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26648779) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 342 + ... + 7308.

It is an arithmetic number, because the mean of its divisors is an integer number (1404052).

Almost surely, 2^26648775 is an apocalyptic number.

26648775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26648775 is a deficient number, since it is larger than the sum of its proper divisors (23897097).

26648775 is a wasteful number, since it uses less digits than its factorization.

26648775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7000 (or 6992 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 26648775 is about 5162.2451510946. The cubic root of 26648775 is about 298.6934849884.

The spelling of 26648775 in words is "twenty-six million, six hundred forty-eight thousand, seven hundred seventy-five".