857930085724 has 48 divisors (see below), whose sum is σ = 1546526374848. Its totient is φ = 416253846528.

The previous prime is 857930085713. The next prime is 857930085787. The reversal of 857930085724 is 427580039758.

It is a happy number.

857930085724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17378644 + ... + 17427940.

It is an arithmetic number, because the mean of its divisors is an integer number (32219299476).

Almost surely, 2^857930085724 is an apocalyptic number.

It is an amenable number.

857930085724 is a deficient number, since it is larger than the sum of its proper divisors (688596289124).

857930085724 is a wasteful number, since it uses less digits than its factorization.

857930085724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50254 (or 50252 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 857930085724 in words is "eight hundred fifty-seven billion, nine hundred thirty million, eighty-five thousand, seven hundred twenty-four".