857546812 has 12 divisors (see below), whose sum is σ = 1565955216. Its totient is φ = 410131040.

The previous prime is 857546777. The next prime is 857546821. The reversal of 857546812 is 218645758.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4660489 + ... + 4660672.

It is an arithmetic number, because the mean of its divisors is an integer number (130496268).

Almost surely, 2^857546812 is an apocalyptic number.

It is an amenable number.

857546812 is a deficient number, since it is larger than the sum of its proper divisors (708408404).

857546812 is a wasteful number, since it uses less digits than its factorization.

857546812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9321188 (or 9321186 counting only the distinct ones).

The product of its digits is 537600, while the sum is 46.

The square root of 857546812 is about 29283.9002183794. The cubic root of 857546812 is about 950.0634535640.

The spelling of 857546812 in words is "eight hundred fifty-seven million, five hundred forty-six thousand, eight hundred twelve".