857093943928 has 16 divisors (see below), whose sum is σ = 1621794735000. Its totient is φ = 424615347936.

The previous prime is 857093943913. The next prime is 857093943929. The reversal of 857093943928 is 829349390758.

It is a super-2 number, since 2×857093943928² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857093943929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 491452078 + ... + 491453821.

Almost surely, 2^857093943928 is an apocalyptic number.

It is an amenable number.

857093943928 is a deficient number, since it is larger than the sum of its proper divisors (764700791072).

857093943928 is a wasteful number, since it uses less digits than its factorization.

857093943928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 982906014 (or 982906010 counting only the distinct ones).

The product of its (nonzero) digits is 117573120, while the sum is 67.

The spelling of 857093943928 in words is "eight hundred fifty-seven billion, ninety-three million, nine hundred forty-three thousand, nine hundred twenty-eight".