854969720 has 128 divisors (see below), whose sum is σ = 2179457280. Its totient is φ = 299136000.

The previous prime is 854969711. The next prime is 854969741. The reversal of 854969720 is 27969458.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1497035 + ... + 1497605.

It is an arithmetic number, because the mean of its divisors is an integer number (17027010).

Almost surely, 2^854969720 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 854969720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1089728640).

854969720 is an abundant number, since it is smaller than the sum of its proper divisors (1324487560).

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

854969720 is a wasteful number, since it uses less digits than its factorization.

854969720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 854969720 is about 29239.8652527675. The cubic root of 854969720 is about 949.1107912207.

The spelling of 854969720 in words is "eight hundred fifty-four million, nine hundred sixty-nine thousand, seven hundred twenty".