825223214077 has 2 divisors, whose sum is σ = 825223214078. Its totient is φ = 825223214076.

The previous prime is 825223213973. The next prime is 825223214087. The reversal of 825223214077 is 770412322528.

825223214077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 454520020761 + 370703193316 = 674181^2 + 608854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-825223214077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (825223214087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 412611607038 + 412611607039.

It is an arithmetic number, because the mean of its divisors is an integer number (412611607039).

Almost surely, 2^825223214077 is an apocalyptic number.

It is an amenable number.

825223214077 is a deficient number, since it is larger than the sum of its proper divisors (1).

825223214077 is an equidigital number, since it uses as much as digits as its factorization.

825223214077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 376320, while the sum is 43.

The spelling of 825223214077 in words is "eight hundred twenty-five billion, two hundred twenty-three million, two hundred fourteen thousand, seventy-seven".