857228658008 has 16 divisors (see below), whose sum is σ = 1608590625000. Its totient is φ = 428271158016.

The previous prime is 857228658007. The next prime is 857228658023. The reversal of 857228658008 is 800856822758.

It is a super-2 number, since 2×857228658008² (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 (857228658001) 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, 42885758 + ... + 42905741.

Almost surely, 2^857228658008 is an apocalyptic number.

It is an amenable number.

857228658008 is a deficient number, since it is larger than the sum of its proper divisors (751361966992).

857228658008 is a wasteful number, since it uses less digits than its factorization.

857228658008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85792754 (or 85792750 counting only the distinct ones).

The product of its (nonzero) digits is 17203200, while the sum is 59.

The spelling of 857228658008 in words is "eight hundred fifty-seven billion, two hundred twenty-eight million, six hundred fifty-eight thousand, eight".