823255083757 has 2 divisors, whose sum is σ = 823255083758. Its totient is φ = 823255083756.

The previous prime is 823255083743. The next prime is 823255083779. The reversal of 823255083757 is 757380552328.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 601476251401 + 221778832356 = 775549^2 + 470934^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-823255083757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 823255083698 and 823255083707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (823255083787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 411627541878 + 411627541879.

It is an arithmetic number, because the mean of its divisors is an integer number (411627541879).

Almost surely, 2^823255083757 is an apocalyptic number.

It is an amenable number.

823255083757 is a deficient number, since it is larger than the sum of its proper divisors (1).

823255083757 is an equidigital number, since it uses as much as digits as its factorization.

823255083757 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14112000, while the sum is 55.

The spelling of 823255083757 in words is "eight hundred twenty-three billion, two hundred fifty-five million, eighty-three thousand, seven hundred fifty-seven".