26387671 has 2 divisors, whose sum is σ = 26387672. Its totient is φ = 26387670.

The previous prime is 26387663. The next prime is 26387677. The reversal of 26387671 is 17678362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26387671 - 2³ = 26387663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26387677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13193835 + 13193836.

It is an arithmetic number, because the mean of its divisors is an integer number (13193836).

Almost surely, 2^26387671 is an apocalyptic number.

26387671 is a deficient number, since it is larger than the sum of its proper divisors (1).

26387671 is an equidigital number, since it uses as much as digits as its factorization.

26387671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 26387671 is about 5136.8931271733. The cubic root of 26387671 is about 297.7147511418.

The spelling of 26387671 in words is "twenty-six million, three hundred eighty-seven thousand, six hundred seventy-one".