857484748913 has 8 divisors (see below), whose sum is σ = 923856846528. Its totient is φ = 791171470224.

The previous prime is 857484748903. The next prime is 857484748969. The reversal of 857484748913 is 319847484758.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 857484748913 - 2³² = 853189781617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (857484748903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14674445 + ... + 14732762.

It is an arithmetic number, because the mean of its divisors is an integer number (115482105816).

Almost surely, 2^857484748913 is an apocalyptic number.

It is an amenable number.

857484748913 is a deficient number, since it is larger than the sum of its proper divisors (66372097615).

857484748913 is a wasteful number, since it uses less digits than its factorization.

857484748913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29409463.

The product of its digits is 216760320, while the sum is 68.

The spelling of 857484748913 in words is "eight hundred fifty-seven billion, four hundred eighty-four million, seven hundred forty-eight thousand, nine hundred thirteen".