857603099504 has 40 divisors (see below), whose sum is σ = 1700353408512. Its totient is φ = 418803456960.

The previous prime is 857603099489. The next prime is 857603099539. The reversal of 857603099504 is 405990306758.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 857603099504.

It is a congruent number.

It is an unprimeable number.

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, 15757619 + ... + 15811949.

Almost surely, 2^857603099504 is an apocalyptic number.

It is an amenable number.

857603099504 is a deficient number, since it is larger than the sum of its proper divisors (842750309008).

857603099504 is a wasteful number, since it uses less digits than its factorization.

857603099504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77325 (or 77319 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 56.

The spelling of 857603099504 in words is "eight hundred fifty-seven billion, six hundred three million, ninety-nine thousand, five hundred four".