26900065 has 8 divisors (see below), whose sum is σ = 32324328. Its totient is φ = 21490560.

The previous prime is 26900063. The next prime is 26900099. The reversal of 26900065 is 56000962.

It can be written as a sum of positive squares in 4 ways, for example, as 398161 + 26501904 = 631^2 + 5148^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26900065 - 2¹ = 26900063 is a prime.

It is a super-2 number, since 2×26900065² = 1447226994008450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26900063) 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 7 ways as a sum of consecutive naturals, for example, 829 + ... + 7381.

It is an arithmetic number, because the mean of its divisors is an integer number (4040541).

Almost surely, 2^26900065 is an apocalyptic number.

It is an amenable number.

26900065 is a deficient number, since it is larger than the sum of its proper divisors (5424263).

26900065 is an equidigital number, since it uses as much as digits as its factorization.

26900065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 26900065 is about 5186.5272581950. The cubic root of 26900065 is about 299.6294127759.

The spelling of 26900065 in words is "twenty-six million, nine hundred thousand, sixty-five".