763172197 has 2 divisors, whose sum is σ = 763172198. Its totient is φ = 763172196.

The previous prime is 763172173. The next prime is 763172203. The reversal of 763172197 is 791271367.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 570684321 + 192487876 = 23889^2 + 13874^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-763172197 is a prime.

It is a super-3 number, since 3×763172197³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763170197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381586098 + 381586099.

It is an arithmetic number, because the mean of its divisors is an integer number (381586099).

Almost surely, 2^763172197 is an apocalyptic number.

It is an amenable number.

763172197 is a deficient number, since it is larger than the sum of its proper divisors (1).

763172197 is an equidigital number, since it uses as much as digits as its factorization.

763172197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 111132, while the sum is 43.

The square root of 763172197 is about 27625.5714330039. The cubic root of 763172197 is about 913.8484511249.

The spelling of 763172197 in words is "seven hundred sixty-three million, one hundred seventy-two thousand, one hundred ninety-seven".