26873939 has 2 divisors, whose sum is σ = 26873940. Its totient is φ = 26873938.

The previous prime is 26873933. The next prime is 26873941. The reversal of 26873939 is 93937862.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26873939 is a prime.

Together with 26873941, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 26873893 and 26873902.

It is not a weakly prime, because it can be changed into another prime (26873933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13436969 + 13436970.

It is an arithmetic number, because the mean of its divisors is an integer number (13436970).

Almost surely, 2^26873939 is an apocalyptic number.

26873939 is a deficient number, since it is larger than the sum of its proper divisors (1).

26873939 is an equidigital number, since it uses as much as digits as its factorization.

26873939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 47.

The square root of 26873939 is about 5184.0080053951. The cubic root of 26873939 is about 299.5323788878.

The spelling of 26873939 in words is "twenty-six million, eight hundred seventy-three thousand, nine hundred thirty-nine".