664776483 has 48 divisors (see below), whose sum is σ = 1129502880. Its totient is φ = 345160704.

The previous prime is 664776473. The next prime is 664776527. The reversal of 664776483 is 384677466.

It is not a de Polignac number, because 664776483 - 2⁵ = 664776451 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (664776433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67885 + ... + 77057.

It is an arithmetic number, because the mean of its divisors is an integer number (23531310).

Almost surely, 2^664776483 is an apocalyptic number.

664776483 is a deficient number, since it is larger than the sum of its proper divisors (464726397).

664776483 is a wasteful number, since it uses less digits than its factorization.

664776483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9236 (or 9229 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 51.

The square root of 664776483 is about 25783.2597434847. The cubic root of 664776483 is about 872.7540694611.

The spelling of 664776483 in words is "six hundred sixty-four million, seven hundred seventy-six thousand, four hundred eighty-three".