26116587 has 20 divisors (see below), whose sum is σ = 44588016. Its totient is φ = 14923440.

The previous prime is 26116579. The next prime is 26116589. The reversal of 26116587 is 78561162.

26116587 is a `hidden beast` number, since 2 + 61 + 16 + 587 = 666.

It is not a de Polignac number, because 26116587 - 2³ = 26116579 is a prime.

It is a super-2 number, since 2×26116587² = 1364152233057138, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26116589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22464 + ... + 23597.

Almost surely, 2^26116587 is an apocalyptic number.

26116587 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

26116587 is a deficient number, since it is larger than the sum of its proper divisors (18471429).

26116587 is an equidigital number, since it uses as much as digits as its factorization.

26116587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46080 (or 46071 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 26116587 is about 5110.4390222367. The cubic root of 26116587 is about 296.6917524271.

The spelling of 26116587 in words is "twenty-six million, one hundred sixteen thousand, five hundred eighty-seven".