857144365008 has 20 divisors (see below), whose sum is σ = 2214289609728. Its totient is φ = 285714788320.

The previous prime is 857144364991. The next prime is 857144365013. The reversal of 857144365008 is 800563441758.

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 3 ways as a sum of consecutive naturals, for example, 8928587088 + ... + 8928587183.

Almost surely, 2^857144365008 is an apocalyptic number.

It is an amenable number.

857144365008 is an abundant number, since it is smaller than the sum of its proper divisors (1357145244720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

857144365008 is a wasteful number, since it uses less digits than its factorization.

857144365008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17857174282 (or 17857174276 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 857144365008 in words is "eight hundred fifty-seven billion, one hundred forty-four million, three hundred sixty-five thousand, eight".