857085796 has 24 divisors (see below), whose sum is σ = 1750646016. Its totient is φ = 359506560.

The previous prime is 857085793. The next prime is 857085809. The reversal of 857085796 is 697580758.

It is not an unprimeable number, because it can be changed into a prime (857085791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324325 + ... + 326956.

It is an arithmetic number, because the mean of its divisors is an integer number (72943584).

Almost surely, 2^857085796 is an apocalyptic number.

It is an amenable number.

857085796 is an abundant number, since it is smaller than the sum of its proper divisors (893560220).

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

857085796 is a wasteful number, since it uses less digits than its factorization.

857085796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651339 (or 651337 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 55.

The square root of 857085796 is about 29276.0276677011. The cubic root of 857085796 is about 949.8931721058.

The spelling of 857085796 in words is "eight hundred fifty-seven million, eighty-five thousand, seven hundred ninety-six".