26085715 has 4 divisors (see below), whose sum is σ = 31302864. Its totient is φ = 20868568.

The previous prime is 26085659. The next prime is 26085739. The reversal of 26085715 is 51758062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51758062 = 2 ⋅25879031.

It is a cyclic number.

It is not a de Polignac number, because 26085715 - 2¹⁵ = 26052947 is a prime.

It is a super-2 number, since 2×26085715² = 1360929054122450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2608567 + ... + 2608576.

It is an arithmetic number, because the mean of its divisors is an integer number (7825716).

Almost surely, 2^26085715 is an apocalyptic number.

26085715 is a deficient number, since it is larger than the sum of its proper divisors (5217149).

26085715 is an equidigital number, since it uses as much as digits as its factorization.

26085715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5217148.

The product of its (nonzero) digits is 16800, while the sum is 34.

The square root of 26085715 is about 5107.4176449552. The cubic root of 26085715 is about 296.5748014738.

The spelling of 26085715 in words is "twenty-six million, eighty-five thousand, seven hundred fifteen".