791776253 has 2 divisors, whose sum is σ = 791776254. Its totient is φ = 791776252.

The previous prime is 791776217. The next prime is 791776261. The reversal of 791776253 is 352677197.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 562496089 + 229280164 = 23717^2 + 15142^2 .

It is an emirp because it is prime and its reverse (352677197) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 791776253 - 2¹⁴ = 791759869 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 791776198 and 791776207.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (791776753) by changing a digit.

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 as a sum of consecutive naturals, namely, 395888126 + 395888127.

It is an arithmetic number, because the mean of its divisors is an integer number (395888127).

Almost surely, 2^791776253 is an apocalyptic number.

It is an amenable number.

791776253 is a deficient number, since it is larger than the sum of its proper divisors (1).

791776253 is an equidigital number, since it uses as much as digits as its factorization.

791776253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 555660, while the sum is 47.

The square root of 791776253 is about 28138.5190264164. The cubic root of 791776253 is about 925.1258666804.

The spelling of 791776253 in words is "seven hundred ninety-one million, seven hundred seventy-six thousand, two hundred fifty-three".