764665204379 has 2 divisors, whose sum is σ = 764665204380. Its totient is φ = 764665204378.

The previous prime is 764665204361. The next prime is 764665204403. The reversal of 764665204379 is 973402566467.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-764665204379 is a prime.

It is not a weakly prime, because it can be changed into another prime (764665204339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 382332602189 + 382332602190.

It is an arithmetic number, because the mean of its divisors is an integer number (382332602190).

Almost surely, 2^764665204379 is an apocalyptic number.

764665204379 is a deficient number, since it is larger than the sum of its proper divisors (1).

764665204379 is an equidigital number, since it uses as much as digits as its factorization.

764665204379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45722880, while the sum is 59.

The spelling of 764665204379 in words is "seven hundred sixty-four billion, six hundred sixty-five million, two hundred four thousand, three hundred seventy-nine".