988409559064 has 16 divisors (see below), whose sum is σ = 1853481982320. Its totient is φ = 494147697120.

The previous prime is 988409559001. The next prime is 988409559091. The reversal of 988409559064 is 460955904889.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7061667 + ... + 7200274.

It is an arithmetic number, because the mean of its divisors is an integer number (115842623895).

Almost surely, 2^988409559064 is an apocalyptic number.

It is an amenable number.

988409559064 is a deficient number, since it is larger than the sum of its proper divisors (865072423256).

988409559064 is a wasteful number, since it uses less digits than its factorization.

988409559064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14270610 (or 14270606 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 67.

The spelling of 988409559064 in words is "nine hundred eighty-eight billion, four hundred nine million, five hundred fifty-nine thousand, sixty-four".