26623873 has 2 divisors, whose sum is σ = 26623874. Its totient is φ = 26623872.

The previous prime is 26623841. The next prime is 26623901. The reversal of 26623873 is 37832662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15944049 + 10679824 = 3993^2 + 3268^2 .

It is a cyclic number.

It is not a de Polignac number, because 26623873 - 2⁵ = 26623841 is a prime.

It is a super-2 number, since 2×26623873² = 1417661227040258, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (26623273) 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, 13311936 + 13311937.

It is an arithmetic number, because the mean of its divisors is an integer number (13311937).

Almost surely, 2^26623873 is an apocalyptic number.

It is an amenable number.

26623873 is a deficient number, since it is larger than the sum of its proper divisors (1).

26623873 is an equidigital number, since it uses as much as digits as its factorization.

26623873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 37.

The square root of 26623873 is about 5159.8326523251. The cubic root of 26623873 is about 298.6004177560.

The spelling of 26623873 in words is "twenty-six million, six hundred twenty-three thousand, eight hundred seventy-three".