63557875536 has 80 divisors (see below), whose sum is σ = 175412582400. Its totient is φ = 19771323264.

The previous prime is 63557875529. The next prime is 63557875543.

63557875536 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (63557875529) and next prime (63557875543).

It is a self number, because there is not a number n which added to its sum of digits gives 63557875536.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 458976 + ... + 581183.

It is an arithmetic number, because the mean of its divisors is an integer number (2192657280).

Almost surely, 2^63557875536 is an apocalyptic number.

It is an amenable number.

63557875536 is an abundant number, since it is smaller than the sum of its proper divisors (111854706864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63557875536 is a wasteful number, since it uses less digits than its factorization.

63557875536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040256 (or 1040250 counting only the distinct ones).

The product of its digits is 79380000, while the sum is 60.

The spelling of 63557875536 in words is "sixty-three billion, five hundred fifty-seven million, eight hundred seventy-five thousand, five hundred thirty-six".