817468964 has 12 divisors (see below), whose sum is σ = 1540614684. Its totient is φ = 377293344.

The previous prime is 817468933. The next prime is 817468969. The reversal of 817468964 is 469864718.

It can be written as a sum of positive squares in 2 ways, for example, as 341880100 + 475588864 = 18490^2 + 21808^2 .

It is not an unprimeable number, because it can be changed into a prime (817468969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7860227 + ... + 7860330.

It is an arithmetic number, because the mean of its divisors is an integer number (128384557).

Almost surely, 2^817468964 is an apocalyptic number.

It is an amenable number.

817468964 is a deficient number, since it is larger than the sum of its proper divisors (723145720).

817468964 is a wasteful number, since it uses less digits than its factorization.

817468964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15720574 (or 15720572 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 53.

The square root of 817468964 is about 28591.4141657946. The cubic root of 817468964 is about 935.0261515749.

The spelling of 817468964 in words is "eight hundred seventeen million, four hundred sixty-eight thousand, nine hundred sixty-four".