26875957 has 2 divisors, whose sum is σ = 26875958. Its totient is φ = 26875956.

The previous prime is 26875943. The next prime is 26875967. The reversal of 26875957 is 75957862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25010001 + 1865956 = 5001^2 + 1366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26875957 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26875957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26875967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13437978 + 13437979.

It is an arithmetic number, because the mean of its divisors is an integer number (13437979).

Almost surely, 2^26875957 is an apocalyptic number.

It is an amenable number.

26875957 is a deficient number, since it is larger than the sum of its proper divisors (1).

26875957 is an equidigital number, since it uses as much as digits as its factorization.

26875957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 49.

The square root of 26875957 is about 5184.2026387864. The cubic root of 26875957 is about 299.5398761290.

The spelling of 26875957 in words is "twenty-six million, eight hundred seventy-five thousand, nine hundred fifty-seven".