26885880 has 192 divisors, whose sum is σ = 102435840. Its totient is φ = 5988096.

The previous prime is 26885863. The next prime is 26885899. The reversal of 26885880 is 8858862.

26885880 is a `hidden beast` number, since 2 + 68 + 8 + 588 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 118327 + ... + 118553.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^26885880 is an apocalyptic number.

26885880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26885880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51217920).

26885880 is an abundant number, since it is smaller than the sum of its proper divisors (75549960).

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

26885880 is a wasteful number, since it uses less digits than its factorization.

26885880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 26885880 is about 5185.1595925294. The cubic root of 26885880 is about 299.5767364407.

The spelling of 26885880 in words is "twenty-six million, eight hundred eighty-five thousand, eight hundred eighty".