63203665287 has 8 divisors (see below), whose sum is σ = 96310347136. Its totient is φ = 36116380152.

The previous prime is 63203665279. The next prime is 63203665289. The reversal of 63203665287 is 78256630236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63203665287 - 2³ = 63203665279 is a prime.

It is a super-2 number, since 2×63203665287² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63203665289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504849153 + ... + 1504849194.

It is an arithmetic number, because the mean of its divisors is an integer number (12038793392).

Almost surely, 2^63203665287 is an apocalyptic number.

63203665287 is a deficient number, since it is larger than the sum of its proper divisors (33106681849).

63203665287 is a wasteful number, since it uses less digits than its factorization.

63203665287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009698357.

The product of its (nonzero) digits is 2177280, while the sum is 48.

The spelling of 63203665287 in words is "sixty-three billion, two hundred three million, six hundred sixty-five thousand, two hundred eighty-seven".