63579555368 has 16 divisors (see below), whose sum is σ = 136241904480. Its totient is φ = 27248380848.

The previous prime is 63579555367. The next prime is 63579555379. The reversal of 63579555368 is 86355597536.

It is a self number, because there is not a number n which added to its sum of digits gives 63579555368.

It is not an unprimeable number, because it can be changed into a prime (63579555367) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 567674546 + ... + 567674657.

It is an arithmetic number, because the mean of its divisors is an integer number (8515119030).

Almost surely, 2^63579555368 is an apocalyptic number.

It is an amenable number.

63579555368 is an abundant number, since it is smaller than the sum of its proper divisors (72662349112).

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

63579555368 is a wasteful number, since it uses less digits than its factorization.

63579555368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135349216 (or 1135349212 counting only the distinct ones).

The product of its digits is 102060000, while the sum is 62.

The spelling of 63579555368 in words is "sixty-three billion, five hundred seventy-nine million, five hundred fifty-five thousand, three hundred sixty-eight".