68484820980 has 24 divisors (see below), whose sum is σ = 191757498912. Its totient is φ = 18262618912.

The previous prime is 68484820973. The next prime is 68484820981. The reversal of 68484820980 is 8902848486.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 68484820980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68484820981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 570706782 + ... + 570706901.

It is an arithmetic number, because the mean of its divisors is an integer number (7989895788).

Almost surely, 2^68484820980 is an apocalyptic number.

68484820980 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68484820980 is an abundant number, since it is smaller than the sum of its proper divisors (123272677932).

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

68484820980 is a wasteful number, since it uses less digits than its factorization.

68484820980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141413695 (or 1141413693 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 57.

The spelling of 68484820980 in words is "sixty-eight billion, four hundred eighty-four million, eight hundred twenty thousand, nine hundred eighty".