764768828867503 has 2 divisors, whose sum is σ = 764768828867504. Its totient is φ = 764768828867502.

The previous prime is 764768828867429. The next prime is 764768828867653. The reversal of 764768828867503 is 305768828867467.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 764768828867503 - 2²⁹ = 764768291996591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764768820867503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382384414433751 + 382384414433752.

It is an arithmetic number, because the mean of its divisors is an integer number (382384414433752).

Almost surely, 2^{764768828867503} is an apocalyptic number.

764768828867503 is a deficient number, since it is larger than the sum of its proper divisors (1).

764768828867503 is an equidigital number, since it uses as much as digits as its factorization.

764768828867503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36415733760, while the sum is 85.

The spelling of 764768828867503 in words is "seven hundred sixty-four trillion, seven hundred sixty-eight billion, eight hundred twenty-eight million, eight hundred sixty-seven thousand, five hundred three".