26320087 has 2 divisors, whose sum is σ = 26320088. Its totient is φ = 26320086.

The previous prime is 26320069. The next prime is 26320093. The reversal of 26320087 is 78002362.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26320087 - 2¹⁹ = 25795799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26320057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13160043 + 13160044.

It is an arithmetic number, because the mean of its divisors is an integer number (13160044).

Almost surely, 2^26320087 is an apocalyptic number.

26320087 is a deficient number, since it is larger than the sum of its proper divisors (1).

26320087 is an equidigital number, since it uses as much as digits as its factorization.

26320087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 26320087 is about 5130.3106143780. The cubic root of 26320087 is about 297.4603652210.

The spelling of 26320087 in words is "twenty-six million, three hundred twenty thousand, eighty-seven".