26328779 has 2 divisors, whose sum is σ = 26328780. Its totient is φ = 26328778.

The previous prime is 26328749. The next prime is 26328787. The reversal of 26328779 is 97782362.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26328779 is a prime.

It is not a weakly prime, because it can be changed into another prime (26328739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13164389 + 13164390.

It is an arithmetic number, because the mean of its divisors is an integer number (13164390).

Almost surely, 2^26328779 is an apocalyptic number.

26328779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26328779 is an equidigital number, since it uses as much as digits as its factorization.

26328779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The square root of 26328779 is about 5131.1576666479. The cubic root of 26328779 is about 297.4931062593.

It can be divided in two parts, 2632 and 8779, that added together give a palindrome (11411).

The spelling of 26328779 in words is "twenty-six million, three hundred twenty-eight thousand, seven hundred seventy-nine".