26856877 has 2 divisors, whose sum is σ = 26856878. Its totient is φ = 26856876.

The previous prime is 26856839. The next prime is 26856901. The reversal of 26856877 is 77865862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25462116 + 1394761 = 5046^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 26856877 - 2¹¹ = 26854829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26856877.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26856827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13428438 + 13428439.

It is an arithmetic number, because the mean of its divisors is an integer number (13428439).

Almost surely, 2^26856877 is an apocalyptic number.

It is an amenable number.

26856877 is a deficient number, since it is larger than the sum of its proper divisors (1).

26856877 is an equidigital number, since it uses as much as digits as its factorization.

26856877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1128960, while the sum is 49.

The square root of 26856877 is about 5182.3621062214. The cubic root of 26856877 is about 299.4689754124.

The spelling of 26856877 in words is "twenty-six million, eight hundred fifty-six thousand, eight hundred seventy-seven".