26957939 has 2 divisors, whose sum is σ = 26957940. Its totient is φ = 26957938.

The previous prime is 26957929. The next prime is 26957963. The reversal of 26957939 is 93975962.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26957939 - 2⁴ = 26957923 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (26957929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13478969 + 13478970.

It is an arithmetic number, because the mean of its divisors is an integer number (13478970).

Almost surely, 2^26957939 is an apocalyptic number.

26957939 is a deficient number, since it is larger than the sum of its proper divisors (1).

26957939 is an equidigital number, since it uses as much as digits as its factorization.

26957939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 50.

The square root of 26957939 is about 5192.1035236212. The cubic root of 26957939 is about 299.8441375555.

The spelling of 26957939 in words is "twenty-six million, nine hundred fifty-seven thousand, nine hundred thirty-nine".