664795235 has 8 divisors (see below), whose sum is σ = 859120080. Its totient is φ = 490925664.

The previous prime is 664795211. The next prime is 664795253. The reversal of 664795235 is 532597466.

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 664795235 - 2⁶ = 664795171 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 664795235.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5113745 + ... + 5113874.

It is an arithmetic number, because the mean of its divisors is an integer number (107390010).

Almost surely, 2^664795235 is an apocalyptic number.

664795235 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

664795235 is a deficient number, since it is larger than the sum of its proper divisors (194324845).

664795235 is a wasteful number, since it uses less digits than its factorization.

664795235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10227637.

The product of its digits is 1360800, while the sum is 47.

The square root of 664795235 is about 25783.6233877242. The cubic root of 664795235 is about 872.7622755930.

The spelling of 664795235 in words is "six hundred sixty-four million, seven hundred ninety-five thousand, two hundred thirty-five".