26788761 has 6 divisors (see below), whose sum is σ = 38694890. Its totient is φ = 17859168.

The previous prime is 26788757. The next prime is 26788799. The reversal of 26788761 is 16788762.

It can be written as a sum of positive squares in only one way, i.e., 24950025 + 1838736 = 4995^2 + 1356^2 .

It is not a de Polignac number, because 26788761 - 2² = 26788757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26788711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1488256 + ... + 1488273.

Almost surely, 2^26788761 is an apocalyptic number.

It is an amenable number.

26788761 is a deficient number, since it is larger than the sum of its proper divisors (11906129).

26788761 is a wasteful number, since it uses less digits than its factorization.

26788761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2976535 (or 2976532 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 26788761 is about 5175.7860272619. The cubic root of 26788761 is about 299.2155840932.

Subtracting from 26788761 its reverse (16788762), we obtain a palindrome (9999999).

The spelling of 26788761 in words is "twenty-six million, seven hundred eighty-eight thousand, seven hundred sixty-one".