764455018812 has 12 divisors (see below), whose sum is σ = 1783728377256. Its totient is φ = 254818339600.

The previous prime is 764455018783. The next prime is 764455018819. The reversal of 764455018812 is 218810554467.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (764455018819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31852292439 + ... + 31852292462.

It is an arithmetic number, because the mean of its divisors is an integer number (148644031438).

Almost surely, 2^764455018812 is an apocalyptic number.

It is an amenable number.

764455018812 is an abundant number, since it is smaller than the sum of its proper divisors (1019273358444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

764455018812 is a wasteful number, since it uses less digits than its factorization.

764455018812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63704584908 (or 63704584906 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 51.

The spelling of 764455018812 in words is "seven hundred sixty-four billion, four hundred fifty-five million, eighteen thousand, eight hundred twelve".