26788155 has 16 divisors (see below), whose sum is σ = 43148544. Its totient is φ = 14191200.

The previous prime is 26788127. The next prime is 26788159. The reversal of 26788155 is 55188762.

It is not a de Polignac number, because 26788155 - 2¹¹ = 26786107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26788159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3649 + ... + 8178.

It is an arithmetic number, because the mean of its divisors is an integer number (2696784).

Almost surely, 2^26788155 is an apocalyptic number.

26788155 is a deficient number, since it is larger than the sum of its proper divisors (16360389).

26788155 is a wasteful number, since it uses less digits than its factorization.

26788155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11986.

The product of its digits is 134400, while the sum is 42.

The square root of 26788155 is about 5175.7274850981. The cubic root of 26788155 is about 299.2133278484.

The spelling of 26788155 in words is "twenty-six million, seven hundred eighty-eight thousand, one hundred fifty-five".