857074540485 has 64 divisors (see below), whose sum is σ = 1446031802880. Its totient is φ = 433030840320.

The previous prime is 857074540481. The next prime is 857074540501. The reversal of 857074540485 is 584045470758.

It is not a de Polignac number, because 857074540485 - 2² = 857074540481 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (857074540481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3026176 + ... + 3297254.

It is an arithmetic number, because the mean of its divisors is an integer number (22594246920).

Almost surely, 2^857074540485 is an apocalyptic number.

It is an amenable number.

857074540485 is a deficient number, since it is larger than the sum of its proper divisors (588957262395).

857074540485 is a wasteful number, since it uses less digits than its factorization.

857074540485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271278.

The product of its (nonzero) digits is 25088000, while the sum is 57.

The spelling of 857074540485 in words is "eight hundred fifty-seven billion, seventy-four million, five hundred forty thousand, four hundred eighty-five".