857580310105 has 16 divisors (see below), whose sum is σ = 1083476116800. Its totient is φ = 649825536960.

The previous prime is 857580310091. The next prime is 857580310127. The reversal of 857580310105 is 501013085758.

It is a happy number.

It is not a de Polignac number, because 857580310105 - 2⁵ = 857580310073 is a prime.

It is a super-2 number, since 2×857580310105² (a number of 25 digits) contains 22 as substring.

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, 424690 + ... + 1376779.

It is an arithmetic number, because the mean of its divisors is an integer number (67717257300).

Almost surely, 2^857580310105 is an apocalyptic number.

It is an amenable number.

857580310105 is a deficient number, since it is larger than the sum of its proper divisors (225895806695).

857580310105 is a wasteful number, since it uses less digits than its factorization.

857580310105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1806504.

The product of its (nonzero) digits is 168000, while the sum is 43.

The spelling of 857580310105 in words is "eight hundred fifty-seven billion, five hundred eighty million, three hundred ten thousand, one hundred five".