26927993 has 2 divisors, whose sum is σ = 26927994. Its totient is φ = 26927992.

The previous prime is 26927987. The next prime is 26928029. The reversal of 26927993 is 39972962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24078649 + 2849344 = 4907^2 + 1688^2 .

It is a cyclic number.

It is not a de Polignac number, because 26927993 - 2⁴ = 26927977 is a prime.

It is not a weakly prime, because it can be changed into another prime (26927293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13463996 + 13463997.

It is an arithmetic number, because the mean of its divisors is an integer number (13463997).

Almost surely, 2^26927993 is an apocalyptic number.

It is an amenable number.

26927993 is a deficient number, since it is larger than the sum of its proper divisors (1).

26927993 is an equidigital number, since it uses as much as digits as its factorization.

26927993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416, while the sum is 47.

The square root of 26927993 is about 5189.2189200303. The cubic root of 26927993 is about 299.7330699724.

The spelling of 26927993 in words is "twenty-six million, nine hundred twenty-seven thousand, nine hundred ninety-three".