26979671 has 2 divisors, whose sum is σ = 26979672. Its totient is φ = 26979670.

The previous prime is 26979643. The next prime is 26979683. The reversal of 26979671 is 17697962.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26979671 - 2⁶ = 26979607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26979691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13489835 + 13489836.

It is an arithmetic number, because the mean of its divisors is an integer number (13489836).

Almost surely, 2^26979671 is an apocalyptic number.

26979671 is a deficient number, since it is larger than the sum of its proper divisors (1).

26979671 is an equidigital number, since it uses as much as digits as its factorization.

26979671 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 47.

The square root of 26979671 is about 5194.1958954202. The cubic root of 26979671 is about 299.9246885029.

The spelling of 26979671 in words is "twenty-six million, nine hundred seventy-nine thousand, six hundred seventy-one".