26985935761 has 8 divisors (see below), whose sum is σ = 27961603200. Its totient is φ = 26013276240.

The previous prime is 26985935759. The next prime is 26985935789. The reversal of 26985935761 is 16753958962.

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

It is a cyclic number.

It is not a de Polignac number, because 26985935761 - 2¹ = 26985935759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26985935761.

It is not an unprimeable number, because it can be changed into a prime (26985935861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733705 + ... + 769606.

It is an arithmetic number, because the mean of its divisors is an integer number (3495200400).

Almost surely, 2^26985935761 is an apocalyptic number.

It is an amenable number.

26985935761 is a deficient number, since it is larger than the sum of its proper divisors (975667439).

26985935761 is a wasteful number, since it uses less digits than its factorization.

26985935761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1503959.

The product of its digits is 24494400, while the sum is 61.

The spelling of 26985935761 in words is "twenty-six billion, nine hundred eighty-five million, nine hundred thirty-five thousand, seven hundred sixty-one".