26880655 has 8 divisors (see below), whose sum is σ = 34154352. Its totient is φ = 20239488.

The previous prime is 26880653. The next prime is 26880661. The reversal of 26880655 is 55608862.

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 26880655 - 2¹ = 26880653 is a prime.

It is a super-2 number, since 2×26880655² = 1445139226458050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26880653) 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, 158037 + ... + 158206.

It is an arithmetic number, because the mean of its divisors is an integer number (4269294).

Almost surely, 2^26880655 is an apocalyptic number.

26880655 is a deficient number, since it is larger than the sum of its proper divisors (7273697).

26880655 is a wasteful number, since it uses less digits than its factorization.

26880655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316265.

The product of its (nonzero) digits is 115200, while the sum is 40.

The square root of 26880655 is about 5184.6557262754. The cubic root of 26880655 is about 299.5573286096.

The spelling of 26880655 in words is "twenty-six million, eight hundred eighty thousand, six hundred fifty-five".