763264015886761 has 2 divisors, whose sum is σ = 763264015886762. Its totient is φ = 763264015886760.

The previous prime is 763264015886759. The next prime is 763264015886821. The reversal of 763264015886761 is 167688510462367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 713034988371225 + 50229027515536 = 26702715^2 + 7087244^2 .

It is an emirp because it is prime and its reverse (167688510462367) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 763264015886761 - 2¹ = 763264015886759 is a prime.

It is a super-3 number, since 3×763264015886761³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

Together with 763264015886759, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (763264015886161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 381632007943380 + 381632007943381.

It is an arithmetic number, because the mean of its divisors is an integer number (381632007943381).

Almost surely, 2^{763264015886761} is an apocalyptic number.

It is an amenable number.

763264015886761 is a deficient number, since it is larger than the sum of its proper divisors (1).

763264015886761 is an equidigital number, since it uses as much as digits as its factorization.

763264015886761 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 487710720, while the sum is 70.

The spelling of 763264015886761 in words is "seven hundred sixty-three trillion, two hundred sixty-four billion, fifteen million, eight hundred eighty-six thousand, seven hundred sixty-one".