857078112 has 48 divisors (see below), whose sum is σ = 2454363072. Its totient is φ = 259720320.

The previous prime is 857078077. The next prime is 857078119. The reversal of 857078112 is 211870758.

857078112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857078119) 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, 404758 + ... + 406869.

It is an arithmetic number, because the mean of its divisors is an integer number (51132564).

Almost surely, 2^857078112 is an apocalyptic number.

It is an amenable number.

857078112 is an abundant number, since it is smaller than the sum of its proper divisors (1597284960).

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

857078112 is a wasteful number, since it uses less digits than its factorization.

857078112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811651 (or 811643 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 39.

The square root of 857078112 is about 29275.8964337559. The cubic root of 857078112 is about 949.8903334165.

The spelling of 857078112 in words is "eight hundred fifty-seven million, seventy-eight thousand, one hundred twelve".