26989275 has 48 divisors (see below), whose sum is σ = 46747008. Its totient is φ = 13728000.

The previous prime is 26989247. The next prime is 26989279. The reversal of 26989275 is 57298962.

It is not a de Polignac number, because 26989275 - 2⁷ = 26989147 is a prime.

Its product of digits (544320) is a multiple of the sum of its prime factors (252).

It is not an unprimeable number, because it can be changed into a prime (26989279) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 205960 + ... + 206090.

It is an arithmetic number, because the mean of its divisors is an integer number (973896).

Almost surely, 2^26989275 is an apocalyptic number.

26989275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26989275 is a deficient number, since it is larger than the sum of its proper divisors (19757733).

26989275 is a wasteful number, since it uses less digits than its factorization.

26989275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 247 counting only the distinct ones).

The product of its digits is 544320, while the sum is 48.

The square root of 26989275 is about 5195.1203065954. The cubic root of 26989275 is about 299.9602725171.

The spelling of 26989275 in words is "twenty-six million, nine hundred eighty-nine thousand, two hundred seventy-five".