857052449348 has 12 divisors (see below), whose sum is σ = 1499904181440. Its totient is φ = 428508397512.

The previous prime is 857052449321. The next prime is 857052449411. The reversal of 857052449348 is 843944250758.

It is a super-2 number, since 2×857052449348² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4348328 + ... + 4541151.

It is an arithmetic number, because the mean of its divisors is an integer number (124992015120).

Almost surely, 2^857052449348 is an apocalyptic number.

It is an amenable number.

857052449348 is a deficient number, since it is larger than the sum of its proper divisors (642851732092).

857052449348 is a wasteful number, since it uses less digits than its factorization.

857052449348 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8913586 (or 8913584 counting only the distinct ones).

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 857052449348 in words is "eight hundred fifty-seven billion, fifty-two million, four hundred forty-nine thousand, three hundred forty-eight".