108997286580 has 864 divisors, whose sum is σ = 444824352000. Its totient is φ = 21960626688.

The previous prime is 108997286561. The next prime is 108997286609. The reversal of 108997286580 is 85682799801.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 287 ways as a sum of consecutive naturals, for example, 181965121 + ... + 181965719.

It is an arithmetic number, because the mean of its divisors is an integer number (514843000).

Almost surely, 2^108997286580 is an apocalyptic number.

108997286580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108997286580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222412176000).

108997286580 is an abundant number, since it is smaller than the sum of its proper divisors (335827065420).

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

108997286580 is a wasteful number, since it uses less digits than its factorization.

108997286580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690 (or 652 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 63.

The spelling of 108997286580 in words is "one hundred eight billion, nine hundred ninety-seven million, two hundred eighty-six thousand, five hundred eighty".