857108076765 has 32 divisors (see below), whose sum is σ = 1457997822720. Its totient is φ = 428999341056.

The previous prime is 857108076707. The next prime is 857108076827. The reversal of 857108076765 is 567670801758.

It is not a de Polignac number, because 857108076765 - 2⁶ = 857108076701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 857108076699 and 857108076708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23419180 + ... + 23455749.

It is an arithmetic number, because the mean of its divisors is an integer number (45562431960).

Almost surely, 2^857108076765 is an apocalyptic number.

It is an amenable number.

857108076765 is a deficient number, since it is larger than the sum of its proper divisors (600889745955).

857108076765 is a wasteful number, since it uses less digits than its factorization.

857108076765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46875013.

The product of its (nonzero) digits is 19756800, while the sum is 60.

The spelling of 857108076765 in words is "eight hundred fifty-seven billion, one hundred eight million, seventy-six thousand, seven hundred sixty-five".