857412928539 has 12 divisors (see below), whose sum is σ = 1239279771600. Its totient is φ = 571241958864.

The previous prime is 857412928531. The next prime is 857412928553. The reversal of 857412928539 is 935829214758.

857412928539 is a `hidden beast` number, since 8 + 5 + 7 + 4 + 1 + 2 + 92 + 8 + 539 = 666.

It is not a de Polignac number, because 857412928539 - 2³ = 857412928531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (857412928531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30540204 + ... + 30568265.

It is an arithmetic number, because the mean of its divisors is an integer number (103273314300).

Almost surely, 2^857412928539 is an apocalyptic number.

857412928539 is a deficient number, since it is larger than the sum of its proper divisors (381866843061).

857412928539 is a wasteful number, since it uses less digits than its factorization.

857412928539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61110034 (or 61110031 counting only the distinct ones).

The product of its digits is 43545600, while the sum is 63.

The spelling of 857412928539 in words is "eight hundred fifty-seven billion, four hundred twelve million, nine hundred twenty-eight thousand, five hundred thirty-nine".