26863065 has 24 divisors (see below), whose sum is σ = 46774728. Its totient is φ = 14261760.

The previous prime is 26863027. The next prime is 26863069. The reversal of 26863065 is 56036862.

It can be written as a sum of positive squares in 4 ways, for example, as 5184729 + 21678336 = 2277^2 + 4656^2 .

It is not a de Polignac number, because 26863065 - 2⁸ = 26862809 is a prime.

It is a super-2 number, since 2×26863065² = 1443248522388450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26863069) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9607 + ... + 12083.

It is an arithmetic number, because the mean of its divisors is an integer number (1948947).

Almost surely, 2^26863065 is an apocalyptic number.

It is an amenable number.

26863065 is a deficient number, since it is larger than the sum of its proper divisors (19911663).

26863065 is a wasteful number, since it uses less digits than its factorization.

26863065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729 (or 2726 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 26863065 is about 5182.9590968866. The cubic root of 26863065 is about 299.4919735159.

The spelling of 26863065 in words is "twenty-six million, eight hundred sixty-three thousand, sixty-five".