26779933 has 2 divisors, whose sum is σ = 26779934. Its totient is φ = 26779932.

The previous prime is 26779931. The next prime is 26779957. The reversal of 26779933 is 33997762.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25775929 + 1004004 = 5077^2 + 1002^2 .

It is a cyclic number.

It is not a de Polignac number, because 26779933 - 2¹ = 26779931 is a prime.

It is a super-2 number, since 2×26779933² = 1434329622968978, which contains 22 as substring.

Together with 26779931, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26779931) 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 as a sum of consecutive naturals, namely, 13389966 + 13389967.

It is an arithmetic number, because the mean of its divisors is an integer number (13389967).

Almost surely, 2^26779933 is an apocalyptic number.

It is an amenable number.

26779933 is a deficient number, since it is larger than the sum of its proper divisors (1).

26779933 is an equidigital number, since it uses as much as digits as its factorization.

26779933 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 428652, while the sum is 46.

The square root of 26779933 is about 5174.9331396647. The cubic root of 26779933 is about 299.1827125296.

It can be divided in two parts, 267 and 79933, that added together give a triangular number (80200 = T₄₀₀).

The spelling of 26779933 in words is "twenty-six million, seven hundred seventy-nine thousand, nine hundred thirty-three".