26500087 has 2 divisors, whose sum is σ = 26500088. Its totient is φ = 26500086.

The previous prime is 26500073. The next prime is 26500091. The reversal of 26500087 is 78000562.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26500087 - 2²³ = 18111479 is a prime.

It is a super-2 number, since 2×26500087² = 1404509222015138, which contains 22 as substring.

It is equal to p_1653814 and since 26500087 and 1653814 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26500007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13250043 + 13250044.

It is an arithmetic number, because the mean of its divisors is an integer number (13250044).

Almost surely, 2^26500087 is an apocalyptic number.

26500087 is a deficient number, since it is larger than the sum of its proper divisors (1).

26500087 is an equidigital number, since it uses as much as digits as its factorization.

26500087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 26500087 is about 5147.8235206736. The cubic root of 26500087 is about 298.1369241495.

The spelling of 26500087 in words is "twenty-six million, five hundred thousand, eighty-seven".