26683861 has 2 divisors, whose sum is σ = 26683862. Its totient is φ = 26683860.

The previous prime is 26683849. The next prime is 26683873. The reversal of 26683861 is 16838662.

It is a balanced prime because it is at equal distance from previous prime (26683849) and next prime (26683873).

It can be written as a sum of positive squares in only one way, i.e., 20875761 + 5808100 = 4569^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 26683861 - 2¹¹ = 26681813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26683801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13341930 + 13341931.

It is an arithmetic number, because the mean of its divisors is an integer number (13341931).

Almost surely, 2^26683861 is an apocalyptic number.

It is an amenable number.

26683861 is a deficient number, since it is larger than the sum of its proper divisors (1).

26683861 is an equidigital number, since it uses as much as digits as its factorization.

26683861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 82944, while the sum is 40.

The square root of 26683861 is about 5165.6423608299. The cubic root of 26683861 is about 298.8245149468.

The spelling of 26683861 in words is "twenty-six million, six hundred eighty-three thousand, eight hundred sixty-one".