26457983 has 2 divisors, whose sum is σ = 26457984. Its totient is φ = 26457982.

The previous prime is 26457979. The next prime is 26458021. The reversal of 26457983 is 38975462.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26457983 - 2² = 26457979 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26457283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13228991 + 13228992.

It is an arithmetic number, because the mean of its divisors is an integer number (13228992).

Almost surely, 2^26457983 is an apocalyptic number.

26457983 is a deficient number, since it is larger than the sum of its proper divisors (1).

26457983 is an equidigital number, since it uses as much as digits as its factorization.

26457983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 44.

The square root of 26457983 is about 5143.7323997269. The cubic root of 26457983 is about 297.9789446559.

The spelling of 26457983 in words is "twenty-six million, four hundred fifty-seven thousand, nine hundred eighty-three".