26911939 has 2 divisors, whose sum is σ = 26911940. Its totient is φ = 26911938.

The previous prime is 26911931. The next prime is 26911979. The reversal of 26911939 is 93911962.

It is an a-pointer prime, because the next prime (26911979) can be obtained adding 26911939 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26911939 - 2³ = 26911931 is a prime.

It is not a weakly prime, because it can be changed into another prime (26911931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13455969 + 13455970.

It is an arithmetic number, because the mean of its divisors is an integer number (13455970).

Almost surely, 2^26911939 is an apocalyptic number.

26911939 is a deficient number, since it is larger than the sum of its proper divisors (1).

26911939 is an equidigital number, since it uses as much as digits as its factorization.

26911939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26244, while the sum is 40.

The square root of 26911939 is about 5187.6718284795. The cubic root of 26911939 is about 299.6734929208.

The spelling of 26911939 in words is "twenty-six million, nine hundred eleven thousand, nine hundred thirty-nine".