764626463 has 2 divisors, whose sum is σ = 764626464. Its totient is φ = 764626462.

The previous prime is 764626453. The next prime is 764626469. The reversal of 764626463 is 364626467.

It is a strong prime.

It is an emirp because it is prime and its reverse (364626467) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 764626463 - 2⁸ = 764626207 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (764626469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382313231 + 382313232.

It is an arithmetic number, because the mean of its divisors is an integer number (382313232).

Almost surely, 2^764626463 is an apocalyptic number.

764626463 is a deficient number, since it is larger than the sum of its proper divisors (1).

764626463 is an equidigital number, since it uses as much as digits as its factorization.

764626463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 870912, while the sum is 44.

The square root of 764626463 is about 27651.8799180092. The cubic root of 764626463 is about 914.4285454043.

The spelling of 764626463 in words is "seven hundred sixty-four million, six hundred twenty-six thousand, four hundred sixty-three".