856893750 has 96 divisors (see below), whose sum is σ = 2236356864. Its totient is φ = 218460000.

The previous prime is 856893731. The next prime is 856893761. The reversal of 856893750 is 57398658.

It is a junction number, because it is equal to n+sod(n) for n = 856893693 and 856893702.

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, 430257 + ... + 432243.

It is an arithmetic number, because the mean of its divisors is an integer number (23295384).

Almost surely, 2^856893750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 856893750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1118178432).

856893750 is an abundant number, since it is smaller than the sum of its proper divisors (1379463114).

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

856893750 is a wasteful number, since it uses less digits than its factorization.

856893750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040 (or 2020 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 856893750 is about 29272.7475649280. The cubic root of 856893750 is about 949.8222197337.

The spelling of 856893750 in words is "eight hundred fifty-six million, eight hundred ninety-three thousand, seven hundred fifty".