857850742 has 12 divisors (see below), whose sum is σ = 1496862180. Its totient is φ = 367650276.

The previous prime is 857850713. The next prime is 857850743. The reversal of 857850742 is 247058758.

857850742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 857850692 and 857850701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857850743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4376692 + ... + 4376887.

It is an arithmetic number, because the mean of its divisors is an integer number (124738515).

Almost surely, 2^857850742 is an apocalyptic number.

857850742 is a deficient number, since it is larger than the sum of its proper divisors (639011438).

857850742 is a wasteful number, since it uses less digits than its factorization.

857850742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8753595 (or 8753588 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 46.

The square root of 857850742 is about 29289.0891288889. The cubic root of 857850742 is about 950.1756801601.

The spelling of 857850742 in words is "eight hundred fifty-seven million, eight hundred fifty thousand, seven hundred forty-two".