763640567 has 2 divisors, whose sum is σ = 763640568. Its totient is φ = 763640566.

The previous prime is 763640467. The next prime is 763640597. The reversal of 763640567 is 765046367.

It is a strong prime.

It is an emirp because it is prime and its reverse (765046367) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-763640567 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (763640597) 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, 381820283 + 381820284.

It is an arithmetic number, because the mean of its divisors is an integer number (381820284).

Almost surely, 2^763640567 is an apocalyptic number.

763640567 is a deficient number, since it is larger than the sum of its proper divisors (1).

763640567 is an equidigital number, since it uses as much as digits as its factorization.

763640567 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 635040, while the sum is 44.

The square root of 763640567 is about 27634.0472424869. The cubic root of 763640567 is about 914.0353603048.

The spelling of 763640567 in words is "seven hundred sixty-three million, six hundred forty thousand, five hundred sixty-seven".