63887487255 has 12 divisors (see below), whose sum is σ = 110738311320. Its totient is φ = 34073326512.

The previous prime is 63887487241. The next prime is 63887487259. The reversal of 63887487255 is 55278478836.

It is not a de Polignac number, because 63887487255 - 2¹⁰ = 63887486231 is a prime.

It is a super-2 number, since 2×63887487255² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63887487192 and 63887487201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63887487259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 709860925 + ... + 709861014.

It is an arithmetic number, because the mean of its divisors is an integer number (9228192610).

Almost surely, 2^63887487255 is an apocalyptic number.

63887487255 is a deficient number, since it is larger than the sum of its proper divisors (46850824065).

63887487255 is a wasteful number, since it uses less digits than its factorization.

63887487255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1419721950 (or 1419721947 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 63.

The spelling of 63887487255 in words is "sixty-three billion, eight hundred eighty-seven million, four hundred eighty-seven thousand, two hundred fifty-five".