663225077 has 16 divisors (see below), whose sum is σ = 726528000. Its totient is φ = 603260784.

The previous prime is 663225071. The next prime is 663225089. The reversal of 663225077 is 770522366.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-663225077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663225077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663225071) 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 15 ways as a sum of consecutive naturals, for example, 41324 + ... + 55082.

It is an arithmetic number, because the mean of its divisors is an integer number (45408000).

Almost surely, 2^663225077 is an apocalyptic number.

It is an amenable number.

663225077 is a deficient number, since it is larger than the sum of its proper divisors (63302923).

663225077 is a wasteful number, since it uses less digits than its factorization.

663225077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13880.

The product of its (nonzero) digits is 105840, while the sum is 38.

The square root of 663225077 is about 25753.1566414682. The cubic root of 663225077 is about 872.0746177520.

The spelling of 663225077 in words is "six hundred sixty-three million, two hundred twenty-five thousand, seventy-seven".