663677007 has 32 divisors (see below), whose sum is σ = 1045642752. Its totient is φ = 366557184.

The previous prime is 663676961. The next prime is 663677033. The reversal of 663677007 is 700776366.

It is not a de Polignac number, because 663677007 - 2⁶ = 663676943 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 663677007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663677107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83803 + ... + 91379.

It is an arithmetic number, because the mean of its divisors is an integer number (32676336).

Almost surely, 2^663677007 is an apocalyptic number.

663677007 is a deficient number, since it is larger than the sum of its proper divisors (381965745).

663677007 is a wasteful number, since it uses less digits than its factorization.

663677007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7727.

The product of its (nonzero) digits is 222264, while the sum is 42.

The square root of 663677007 is about 25761.9294114397. The cubic root of 663677007 is about 872.2726536882.

The spelling of 663677007 in words is "six hundred sixty-three million, six hundred seventy-seven thousand, seven".