857229435793 has 16 divisors (see below), whose sum is σ = 943671600000. Its totient is φ = 775068763392.

The previous prime is 857229435791. The next prime is 857229435809. The reversal of 857229435793 is 397534922758.

It is a cyclic number.

It is not a de Polignac number, because 857229435793 - 2¹ = 857229435791 is a prime.

It is not an unprimeable number, because it can be changed into a prime (857229435791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4270743 + ... + 4466956.

It is an arithmetic number, because the mean of its divisors is an integer number (58979475000).

Almost surely, 2^857229435793 is an apocalyptic number.

It is an amenable number.

857229435793 is a deficient number, since it is larger than the sum of its proper divisors (86442164207).

857229435793 is a wasteful number, since it uses less digits than its factorization.

857229435793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8737944.

The product of its digits is 114307200, while the sum is 64.

The spelling of 857229435793 in words is "eight hundred fifty-seven billion, two hundred twenty-nine million, four hundred thirty-five thousand, seven hundred ninety-three".