857285618608 has 40 divisors (see below), whose sum is σ = 1706174516592. Its totient is φ = 416986483968.

The previous prime is 857285618569. The next prime is 857285618659. The reversal of 857285618608 is 806816582758.

857285618608 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 857285618608.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3423366 + ... + 3665242.

Almost surely, 2^857285618608 is an apocalyptic number.

It is an amenable number.

857285618608 is a deficient number, since it is larger than the sum of its proper divisors (848888897984).

857285618608 is a wasteful number, since it uses less digits than its factorization.

857285618608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247909 (or 247903 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 64.

The spelling of 857285618608 in words is "eight hundred fifty-seven billion, two hundred eighty-five million, six hundred eighteen thousand, six hundred eight".