63591560988 has 96 divisors (see below), whose sum is σ = 151293542400. Its totient is φ = 20786134464.

The previous prime is 63591560983. The next prime is 63591560993. The reversal of 63591560988 is 88906519536.

It is an interprime number because it is at equal distance from previous prime (63591560983) and next prime (63591560993).

It is a super-2 number, since 2×63591560988² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63591560983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88444093 + ... + 88444811.

It is an arithmetic number, because the mean of its divisors is an integer number (1575974400).

Almost surely, 2^63591560988 is an apocalyptic number.

It is an amenable number.

63591560988 is an abundant number, since it is smaller than the sum of its proper divisors (87701981412).

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

63591560988 is a wasteful number, since it uses less digits than its factorization.

63591560988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 60.

The spelling of 63591560988 in words is "sixty-three billion, five hundred ninety-one million, five hundred sixty thousand, nine hundred eighty-eight".