857527577134 has 4 divisors (see below), whose sum is σ = 1286291365704. Its totient is φ = 428763788566.

The previous prime is 857527577131. The next prime is 857527577143. The reversal of 857527577134 is 431775725758.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857527577131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214381894282 + ... + 214381894285.

It is an arithmetic number, because the mean of its divisors is an integer number (321572841426).

Almost surely, 2^857527577134 is an apocalyptic number.

857527577134 is a deficient number, since it is larger than the sum of its proper divisors (428763788570).

857527577134 is a wasteful number, since it uses less digits than its factorization.

857527577134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428763788569.

The product of its digits is 57624000, while the sum is 61.

The spelling of 857527577134 in words is "eight hundred fifty-seven billion, five hundred twenty-seven million, five hundred seventy-seven thousand, one hundred thirty-four".