26820888 has 64 divisors (see below), whose sum is σ = 69642720. Its totient is φ = 8601600.

The previous prime is 26820881. The next prime is 26820931. The reversal of 26820888 is 88802862.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26820881) 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, 95308 + ... + 95588.

Almost surely, 2^26820888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26820888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34821360).

26820888 is an abundant number, since it is smaller than the sum of its proper divisors (42821832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26820888 is a wasteful number, since it uses less digits than its factorization.

26820888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 424 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 26820888 is about 5178.8886838780. Note that the first 3 decimals coincide. The cubic root of 26820888 is about 299.3351498918.

The spelling of 26820888 in words is "twenty-six million, eight hundred twenty thousand, eight hundred eighty-eight".