26087089 has 16 divisors (see below), whose sum is σ = 30965760. Its totient is φ = 21505680.

The previous prime is 26087081. The next prime is 26087099. The reversal of 26087089 is 98078062.

It is not a de Polignac number, because 26087089 - 2³ = 26087081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26087081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51612 + ... + 52114.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^26087089 is an apocalyptic number.

It is an amenable number.

26087089 is a deficient number, since it is larger than the sum of its proper divisors (4878671).

26087089 is a wasteful number, since it uses less digits than its factorization.

26087089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 26087089 is about 5107.5521534293. The cubic root of 26087089 is about 296.5800084951.

The spelling of 26087089 in words is "twenty-six million, eighty-seven thousand, eighty-nine".