26980463 has 2 divisors, whose sum is σ = 26980464. Its totient is φ = 26980462.

The previous prime is 26980441. The next prime is 26980507. The reversal of 26980463 is 36408962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26980463 - 2¹⁰ = 26979439 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26980963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13490231 + 13490232.

It is an arithmetic number, because the mean of its divisors is an integer number (13490232).

Almost surely, 2^26980463 is an apocalyptic number.

26980463 is a deficient number, since it is larger than the sum of its proper divisors (1).

26980463 is an equidigital number, since it uses as much as digits as its factorization.

26980463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 26980463 is about 5194.2721338028. The cubic root of 26980463 is about 299.9276232808.

The spelling of 26980463 in words is "twenty-six million, nine hundred eighty thousand, four hundred sixty-three".