764221135307 has 8 divisors (see below), whose sum is σ = 881558159616. Its totient is φ = 648924755112.

The previous prime is 764221135273. The next prime is 764221135423. The reversal of 764221135307 is 703531122467.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 764221135307 - 2¹⁶ = 764221069771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (764221125307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 510160223 + ... + 510161720.

It is an arithmetic number, because the mean of its divisors is an integer number (110194769952).

Almost surely, 2^764221135307 is an apocalyptic number.

764221135307 is a deficient number, since it is larger than the sum of its proper divisors (117337024309).

764221135307 is a wasteful number, since it uses less digits than its factorization.

764221135307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1020322057.

The product of its (nonzero) digits is 211680, while the sum is 41.

The spelling of 764221135307 in words is "seven hundred sixty-four billion, two hundred twenty-one million, one hundred thirty-five thousand, three hundred seven".