866878848 has 240 divisors, whose sum is σ = 2839770780. Its totient is φ = 262310400.

The previous prime is 866878847. The next prime is 866878861. The reversal of 866878848 is 848878668.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (866878843) 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 29 ways as a sum of consecutive naturals, for example, 1254183 + ... + 1254873.

Almost surely, 2^866878848 is an apocalyptic number.

866878848 is a gapful number since it is divisible by the number (88) 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 866878848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1419885390).

866878848 is an abundant number, since it is smaller than the sum of its proper divisors (1972891932).

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

866878848 is a wasteful number, since it uses less digits than its factorization.

866878848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739 (or 707 counting only the distinct ones).

The product of its digits is 33030144, while the sum is 63.

The square root of 866878848 is about 29442.8063879787. The cubic root of 866878848 is about 953.4973024999.

The spelling of 866878848 in words is "eight hundred sixty-six million, eight hundred seventy-eight thousand, eight hundred forty-eight".