26878879 has 2 divisors, whose sum is σ = 26878880. Its totient is φ = 26878878.

The previous prime is 26878849. The next prime is 26878889. The reversal of 26878879 is 97887862.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26878879 - 2¹¹ = 26876831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26878849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13439439 + 13439440.

It is an arithmetic number, because the mean of its divisors is an integer number (13439440).

Almost surely, 2^26878879 is an apocalyptic number.

26878879 is a deficient number, since it is larger than the sum of its proper divisors (1).

26878879 is an equidigital number, since it uses as much as digits as its factorization.

26878879 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 55.

The square root of 26878879 is about 5184.4844488146. The cubic root of 26878879 is about 299.5507312315.

The spelling of 26878879 in words is "twenty-six million, eight hundred seventy-eight thousand, eight hundred seventy-nine".