857388325813 has 16 divisors (see below), whose sum is σ = 879994368000. Its totient is φ = 834906562560.

The previous prime is 857388325757. The next prime is 857388325879. The reversal of 857388325813 is 318523883758.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-857388325813 is a prime.

It is a super-2 number, since 2×857388325813² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857388320813) 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, 24676293 + ... + 24711013.

It is an arithmetic number, because the mean of its divisors is an integer number (54999648000).

Almost surely, 2^857388325813 is an apocalyptic number.

It is an amenable number.

857388325813 is a deficient number, since it is larger than the sum of its proper divisors (22606042187).

857388325813 is a wasteful number, since it uses less digits than its factorization.

857388325813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36492.

The product of its digits is 38707200, while the sum is 61.

The spelling of 857388325813 in words is "eight hundred fifty-seven billion, three hundred eighty-eight million, three hundred twenty-five thousand, eight hundred thirteen".