857065431254 has 16 divisors (see below), whose sum is σ = 1307380290048. Its totient is φ = 421297433832.

The previous prime is 857065431253. The next prime is 857065431301. The reversal of 857065431254 is 452134560758.

It is a super-3 number, since 3×857065431254³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857065431253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6290462 + ... + 6425265.

It is an arithmetic number, because the mean of its divisors is an integer number (81711268128).

Almost surely, 2^857065431254 is an apocalyptic number.

857065431254 is a deficient number, since it is larger than the sum of its proper divisors (450314858794).

857065431254 is a wasteful number, since it uses less digits than its factorization.

857065431254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12716299.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 857065431254 in words is "eight hundred fifty-seven billion, sixty-five million, four hundred thirty-one thousand, two hundred fifty-four".