26878793 has 2 divisors, whose sum is σ = 26878794. Its totient is φ = 26878792.

The previous prime is 26878769. The next prime is 26878823. The reversal of 26878793 is 39787862.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26708224 + 170569 = 5168^2 + 413^2 .

It is a cyclic number.

It is not a de Polignac number, because 26878793 - 2⁶ = 26878729 is a prime.

It is not a weakly prime, because it can be changed into another prime (26878703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13439396 + 13439397.

It is an arithmetic number, because the mean of its divisors is an integer number (13439397).

Almost surely, 2^26878793 is an apocalyptic number.

It is an amenable number.

26878793 is a deficient number, since it is larger than the sum of its proper divisors (1).

26878793 is an equidigital number, since it uses as much as digits as its factorization.

26878793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 50.

The square root of 26878793 is about 5184.4761548299. The cubic root of 26878793 is about 299.5504117565.

The spelling of 26878793 in words is "twenty-six million, eight hundred seventy-eight thousand, seven hundred ninety-three".