866869848 has 192 divisors, whose sum is σ = 2701913760. Its totient is φ = 248721408.

The previous prime is 866869823. The next prime is 866869853. The reversal of 866869848 is 848968668.

866869848 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

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, 2498011 + ... + 2498357.

Almost surely, 2^866869848 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 866869848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1350956880).

866869848 is an abundant number, since it is smaller than the sum of its proper divisors (1835043912).

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

866869848 is a wasteful number, since it uses less digits than its factorization.

866869848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546 (or 539 counting only the distinct ones).

The product of its digits is 31850496, while the sum is 63.

The square root of 866869848 is about 29442.6535488906. The cubic root of 866869848 is about 953.4940027287.

The spelling of 866869848 in words is "eight hundred sixty-six million, eight hundred sixty-nine thousand, eight hundred forty-eight".