63567807880 has 16 divisors (see below), whose sum is σ = 143027567820. Its totient is φ = 25427123136.

The previous prime is 63567807851. The next prime is 63567807887. The reversal of 63567807880 is 8870876536.

It can be written as a sum of positive squares in 2 ways, for example, as 63233137444 + 334670436 = 251462^2 + 18294^2 .

It is not an unprimeable number, because it can be changed into a prime (63567807887) 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, 794597559 + ... + 794597638.

Almost surely, 2^63567807880 is an apocalyptic number.

It is an amenable number.

63567807880 is an abundant number, since it is smaller than the sum of its proper divisors (79459759940).

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

63567807880 is a wasteful number, since it uses less digits than its factorization.

63567807880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1589195208 (or 1589195204 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 58.

The spelling of 63567807880 in words is "sixty-three billion, five hundred sixty-seven million, eight hundred seven thousand, eight hundred eighty".