63567059864 has 96 divisors (see below), whose sum is σ = 154106226000. Its totient is φ = 24299009280.

The previous prime is 63567059839. The next prime is 63567059869. The reversal of 63567059864 is 46895076536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63567059869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89462 + ... + 367610.

Almost surely, 2^63567059864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63567059864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77053113000).

63567059864 is an abundant number, since it is smaller than the sum of its proper divisors (90539166136).

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

63567059864 is a wasteful number, since it uses less digits than its factorization.

63567059864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278233 (or 278222 counting only the distinct ones).

The product of its (nonzero) digits is 32659200, while the sum is 59.

The spelling of 63567059864 in words is "sixty-three billion, five hundred sixty-seven million, fifty-nine thousand, eight hundred sixty-four".