26463779 has 2 divisors, whose sum is σ = 26463780. Its totient is φ = 26463778.

The previous prime is 26463757. The next prime is 26463797. The reversal of 26463779 is 97736462.

It is a happy number.

Together with next prime (26463797) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26463779 is a prime.

It is not a weakly prime, because it can be changed into another prime (26463709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13231889 + 13231890.

It is an arithmetic number, because the mean of its divisors is an integer number (13231890).

Almost surely, 2^26463779 is an apocalyptic number.

26463779 is a deficient number, since it is larger than the sum of its proper divisors (1).

26463779 is an equidigital number, since it uses as much as digits as its factorization.

26463779 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 44.

The square root of 26463779 is about 5144.2957729897. The cubic root of 26463779 is about 298.0007019187. Note that the first 3 decimals are identical.

The spelling of 26463779 in words is "twenty-six million, four hundred sixty-three thousand, seven hundred seventy-nine".