857233904756 has 6 divisors (see below), whose sum is σ = 1500159333330. Its totient is φ = 428616952376.

The previous prime is 857233904713. The next prime is 857233904773. The reversal of 857233904756 is 657409332758.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 830686416400 + 26547488356 = 911420^2 + 162934^2 .

It is a junction number, because it is equal to n+sod(n) for n = 857233904695 and 857233904704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107154238091 + ... + 107154238098.

It is an arithmetic number, because the mean of its divisors is an integer number (250026555555).

Almost surely, 2^857233904756 is an apocalyptic number.

It is an amenable number.

857233904756 is a deficient number, since it is larger than the sum of its proper divisors (642925428574).

857233904756 is a wasteful number, since it uses less digits than its factorization.

857233904756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214308476193 (or 214308476191 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 59.

The spelling of 857233904756 in words is "eight hundred fifty-seven billion, two hundred thirty-three million, nine hundred four thousand, seven hundred fifty-six".